Home / 345,711.20-518,593.44-132,581.20

Finding the Fourth Proportional to 345,711.20, 518,593.44 and 132,581.20

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Solution

The fourth proportional to 345,711.20, 518,593.44 and 132,581.20 is: 198,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,711.20 : 518,593.44 = 132,581.20 : x
  2. Step 2: Convert to fraction form
    345,711.20/518,593.44 = 132,581.20/x
  3. Step 3: Cross multiply
    345,711.20x = 518,593.44 × 132,581.20
  4. Step 4: Simplify right side
    345,711.20x = 68,755,740,587.33
  5. Step 5: Solve for x
    x = 68,755,740,587.33/345,711.20
  6. Step 6: Final answer
    x = 198,882.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.