Home / 381,279.72-571,819.35-181,202.04

Finding the Fourth Proportional to 381,279.72, 571,819.35 and 181,202.04

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Solution

The fourth proportional to 381,279.72, 571,819.35 and 181,202.04 is: 271,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,279.72 : 571,819.35 = 181,202.04 : x
  2. Step 2: Convert to fraction form
    381,279.72/571,819.35 = 181,202.04/x
  3. Step 3: Cross multiply
    381,279.72x = 571,819.35 × 181,202.04
  4. Step 4: Simplify right side
    381,279.72x = 103,614,832,731.47
  5. Step 5: Solve for x
    x = 103,614,832,731.47/381,279.72
  6. Step 6: Final answer
    x = 271,755.43

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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.