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Finding the Fourth Proportional to 224,753.90, 337,129.63 and 91,633.64

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Solution

The fourth proportional to 224,753.90, 337,129.63 and 91,633.64 is: 137,449.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,753.90 : 337,129.63 = 91,633.64 : x
  2. Step 2: Convert to fraction form
    224,753.90/337,129.63 = 91,633.64/x
  3. Step 3: Cross multiply
    224,753.90x = 337,129.63 × 91,633.64
  4. Step 4: Simplify right side
    224,753.90x = 30,892,413,234.02
  5. Step 5: Solve for x
    x = 30,892,413,234.02/224,753.90
  6. Step 6: Final answer
    x = 137,449.96

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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.