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Finding the Fourth Proportional to 224,337.30, 336,508.06 and 66,565.78

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Solution

The fourth proportional to 224,337.30, 336,508.06 and 66,565.78 is: 99,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,337.30 : 336,508.06 = 66,565.78 : x
  2. Step 2: Convert to fraction form
    224,337.30/336,508.06 = 66,565.78/x
  3. Step 3: Cross multiply
    224,337.30x = 336,508.06 × 66,565.78
  4. Step 4: Simplify right side
    224,337.30x = 22,399,921,490.19
  5. Step 5: Solve for x
    x = 22,399,921,490.19/224,337.30
  6. Step 6: Final answer
    x = 99,849.30

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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.