Home / 242,398.50-363,294-129,799.62

Finding the Fourth Proportional to 242,398.50, 363,294 and 129,799.62

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Solution

The fourth proportional to 242,398.50, 363,294 and 129,799.62 is: 194,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,398.50 : 363,294 = 129,799.62 : x
  2. Step 2: Convert to fraction form
    242,398.50/363,294 = 129,799.62/x
  3. Step 3: Cross multiply
    242,398.50x = 363,294 × 129,799.62
  4. Step 4: Simplify right side
    242,398.50x = 47,155,423,148.28
  5. Step 5: Solve for x
    x = 47,155,423,148.28/242,398.50
  6. Step 6: Final answer
    x = 194,536.78

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1.5x scale

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.