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Finding the Fourth Proportional to 496,063.73, 744,093.96 and 136,234.91

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Solution

The fourth proportional to 496,063.73, 744,093.96 and 136,234.91 is: 204,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,063.73 : 744,093.96 = 136,234.91 : x
  2. Step 2: Convert to fraction form
    496,063.73/744,093.96 = 136,234.91/x
  3. Step 3: Cross multiply
    496,063.73x = 744,093.96 × 136,234.91
  4. Step 4: Simplify right side
    496,063.73x = 101,371,569,951.67
  5. Step 5: Solve for x
    x = 101,371,569,951.67/496,063.73
  6. Step 6: Final answer
    x = 204,351.91

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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.