Home / 381,252.27-571,882.52-115,015.10

Finding the Fourth Proportional to 381,252.27, 571,882.52 and 115,015.10

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Solution

The fourth proportional to 381,252.27, 571,882.52 and 115,015.10 is: 172,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,252.27 : 571,882.52 = 115,015.10 : x
  2. Step 2: Convert to fraction form
    381,252.27/571,882.52 = 115,015.10/x
  3. Step 3: Cross multiply
    381,252.27x = 571,882.52 × 115,015.10
  4. Step 4: Simplify right side
    381,252.27x = 65,775,121,791.56
  5. Step 5: Solve for x
    x = 65,775,121,791.56/381,252.27
  6. Step 6: Final answer
    x = 172,523.88

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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.