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Finding the Fourth Proportional to 381,264.38, 571,900.67 and 115,027.21

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Solution

The fourth proportional to 381,264.38, 571,900.67 and 115,027.21 is: 172,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,264.38 : 571,900.67 = 115,027.21 : x
  2. Step 2: Convert to fraction form
    381,264.38/571,900.67 = 115,027.21/x
  3. Step 3: Cross multiply
    381,264.38x = 571,900.67 × 115,027.21
  4. Step 4: Simplify right side
    381,264.38x = 65,784,138,467.23
  5. Step 5: Solve for x
    x = 65,784,138,467.23/381,264.38
  6. Step 6: Final answer
    x = 172,542.05

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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.