Home / 493,261.17-739,917.27-156,337.62

Finding the Fourth Proportional to 493,261.17, 739,917.27 and 156,337.62

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Solution

The fourth proportional to 493,261.17, 739,917.27 and 156,337.62 is: 234,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,261.17 : 739,917.27 = 156,337.62 : x
  2. Step 2: Convert to fraction form
    493,261.17/739,917.27 = 156,337.62/x
  3. Step 3: Cross multiply
    493,261.17x = 739,917.27 × 156,337.62
  4. Step 4: Simplify right side
    493,261.17x = 115,676,904,988.70
  5. Step 5: Solve for x
    x = 115,676,904,988.70/493,261.17
  6. Step 6: Final answer
    x = 234,514.52

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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.