How Do You Use a Proportion to Find What Percent a Part is of a Whole?

How Do You Use a Proportion to Find What Percent a Part is of a Whole?

Note:

A part is some percent of a whole. Trying to calculate the percent? Use a percent proportion to solve! This tutorial will show you how!

Keywords:

  • problem
  • percent
  • percent proportion
  • solve for percent
  • percent of a number
  • cross multiply
  • what percent

Background Tutorials

  • Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

      • What's a Percent?What's a Percent?

      What's a Percent?

      Sales tax, tips at restaurants, grades on tests... no matter what you do, you can't run away from percents. So watch this tutorial and see once and for all what percents are all about!

      • How Do You Turn a Percent into a Decimal?How Do You Turn a Percent into a Decimal?

      How Do You Turn a Percent into a Decimal?

      Percents and Decimals are just tools that let us represent numbers, and that is why percents can be converted into decimals, and decimals can be converted into percents. In this tutorial you'll see how quickly you can convert percents into decimals!

      • What's a Percent Proportion?What's a Percent Proportion?

      What's a Percent Proportion?

      Percents are important, and the reality is that percents are actually proportions in disguise. In this tutorial you'll see exactly how to connect percents with proportions, and you'll be happier for it :)

  • Write expressions that record operations with numbers and with letters standing for numbers.

  • Use proportional relationships to solve multistep ratio and percent problems.

  • Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = a, a = a, or a = b results (where a and b are different numbers).

Further Exploration

  • Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

      • How Do You Solve a Word Problem Using a Percent Proportion?How Do You Solve a Word Problem Using a Percent Proportion?

      How Do You Solve a Word Problem Using a Percent Proportion?

      Word problems allow you to see the real world uses of math! This tutorial shows you how to take a words problem and turn it into a percent proportion. Then see how to solve for the answer using the mean extremes property of proportions. Take a look!