Home / 502,822.68-754,234.10-147,839.78

Finding the Fourth Proportional to 502,822.68, 754,234.10 and 147,839.78

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Solution

The fourth proportional to 502,822.68, 754,234.10 and 147,839.78 is: 221,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,822.68 : 754,234.10 = 147,839.78 : x
  2. Step 2: Convert to fraction form
    502,822.68/754,234.10 = 147,839.78/x
  3. Step 3: Cross multiply
    502,822.68x = 754,234.10 × 147,839.78
  4. Step 4: Simplify right side
    502,822.68x = 111,505,798,902.13
  5. Step 5: Solve for x
    x = 111,505,798,902.13/502,822.68
  6. Step 6: Final answer
    x = 221,759.68

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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.