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Finding the Fourth Proportional to 224,306.38, 336,493.28 and 72,452.76

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Solution

The fourth proportional to 224,306.38, 336,493.28 and 72,452.76 is: 108,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,306.38 : 336,493.28 = 72,452.76 : x
  2. Step 2: Convert to fraction form
    224,306.38/336,493.28 = 72,452.76/x
  3. Step 3: Cross multiply
    224,306.38x = 336,493.28 × 72,452.76
  4. Step 4: Simplify right side
    224,306.38x = 24,379,866,857.45
  5. Step 5: Solve for x
    x = 24,379,866,857.45/224,306.38
  6. Step 6: Final answer
    x = 108,690.03

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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.