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Finding the Fourth Proportional to 266,951.32, 400,432 and 124,757.58

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Solution

The fourth proportional to 266,951.32, 400,432 and 124,757.58 is: 187,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,951.32 : 400,432 = 124,757.58 : x
  2. Step 2: Convert to fraction form
    266,951.32/400,432 = 124,757.58/x
  3. Step 3: Cross multiply
    266,951.32x = 400,432 × 124,757.58
  4. Step 4: Simplify right side
    266,951.32x = 49,956,927,274.56
  5. Step 5: Solve for x
    x = 49,956,927,274.56/266,951.32
  6. Step 6: Final answer
    x = 187,138.72

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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.