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Finding the Fourth Proportional to 488,755.28, 733,132.38 and 133,772.24

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Solution

The fourth proportional to 488,755.28, 733,132.38 and 133,772.24 is: 200,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,755.28 : 733,132.38 = 133,772.24 : x
  2. Step 2: Convert to fraction form
    488,755.28/733,132.38 = 133,772.24/x
  3. Step 3: Cross multiply
    488,755.28x = 733,132.38 × 133,772.24
  4. Step 4: Simplify right side
    488,755.28x = 98,072,760,689.13
  5. Step 5: Solve for x
    x = 98,072,760,689.13/488,755.28
  6. Step 6: Final answer
    x = 200,658.21

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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.