Home / 291,306.24-402,001.56-163,982.16

Finding the Fourth Proportional to 291,306.24, 402,001.56 and 163,982.16

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Solution

The fourth proportional to 291,306.24, 402,001.56 and 163,982.16 is: 226,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,306.24 : 402,001.56 = 163,982.16 : x
  2. Step 2: Convert to fraction form
    291,306.24/402,001.56 = 163,982.16/x
  3. Step 3: Cross multiply
    291,306.24x = 402,001.56 × 163,982.16
  4. Step 4: Simplify right side
    291,306.24x = 65,921,084,132.17
  5. Step 5: Solve for x
    x = 65,921,084,132.17/291,306.24
  6. Step 6: Final answer
    x = 226,294.79

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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.