Home / 352,301.16-486,579.44-231,980.36

Finding the Fourth Proportional to 352,301.16, 486,579.44 and 231,980.36

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Solution

The fourth proportional to 352,301.16, 486,579.44 and 231,980.36 is: 320,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,301.16 : 486,579.44 = 231,980.36 : x
  2. Step 2: Convert to fraction form
    352,301.16/486,579.44 = 231,980.36/x
  3. Step 3: Cross multiply
    352,301.16x = 486,579.44 × 231,980.36
  4. Step 4: Simplify right side
    352,301.16x = 112,876,873,659.80
  5. Step 5: Solve for x
    x = 112,876,873,659.80/352,301.16
  6. Step 6: Final answer
    x = 320,398.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.