Home / 317,747.24-476,620.45-81,089.92

Finding the Fourth Proportional to 317,747.24, 476,620.45 and 81,089.92

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Solution

The fourth proportional to 317,747.24, 476,620.45 and 81,089.92 is: 121,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,747.24 : 476,620.45 = 81,089.92 : x
  2. Step 2: Convert to fraction form
    317,747.24/476,620.45 = 81,089.92/x
  3. Step 3: Cross multiply
    317,747.24x = 476,620.45 × 81,089.92
  4. Step 4: Simplify right side
    317,747.24x = 38,649,114,553.91
  5. Step 5: Solve for x
    x = 38,649,114,553.91/317,747.24
  6. Step 6: Final answer
    x = 121,634.78

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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.