Home / 381,553.30-572,388.39-125,305.25

Finding the Fourth Proportional to 381,553.30, 572,388.39 and 125,305.25

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Solution

The fourth proportional to 381,553.30, 572,388.39 and 125,305.25 is: 187,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,553.30 : 572,388.39 = 125,305.25 : x
  2. Step 2: Convert to fraction form
    381,553.30/572,388.39 = 125,305.25/x
  3. Step 3: Cross multiply
    381,553.30x = 572,388.39 × 125,305.25
  4. Step 4: Simplify right side
    381,553.30x = 71,723,267,444.11
  5. Step 5: Solve for x
    x = 71,723,267,444.11/381,553.30
  6. Step 6: Final answer
    x = 187,977.06

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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.