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Finding the Fourth Proportional to 498,010.20, 747,404.10 and 231,803.70

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Solution

The fourth proportional to 498,010.20, 747,404.10 and 231,803.70 is: 347,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,010.20 : 747,404.10 = 231,803.70 : x
  2. Step 2: Convert to fraction form
    498,010.20/747,404.10 = 231,803.70/x
  3. Step 3: Cross multiply
    498,010.20x = 747,404.10 × 231,803.70
  4. Step 4: Simplify right side
    498,010.20x = 173,251,035,775.17
  5. Step 5: Solve for x
    x = 173,251,035,775.17/498,010.20
  6. Step 6: Final answer
    x = 347,886.52

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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.