Home / 493,115.30-739,964.55-177,531.20

Finding the Fourth Proportional to 493,115.30, 739,964.55 and 177,531.20

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Solution

The fourth proportional to 493,115.30, 739,964.55 and 177,531.20 is: 266,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,115.30 : 739,964.55 = 177,531.20 : x
  2. Step 2: Convert to fraction form
    493,115.30/739,964.55 = 177,531.20/x
  3. Step 3: Cross multiply
    493,115.30x = 739,964.55 × 177,531.20
  4. Step 4: Simplify right side
    493,115.30x = 131,366,794,518.96
  5. Step 5: Solve for x
    x = 131,366,794,518.96/493,115.30
  6. Step 6: Final answer
    x = 266,401.78

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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.