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Finding the Fourth Proportional to 329,589.59, 494,380.76 and 250,115.75

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Solution

The fourth proportional to 329,589.59, 494,380.76 and 250,115.75 is: 375,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,589.59 : 494,380.76 = 250,115.75 : x
  2. Step 2: Convert to fraction form
    329,589.59/494,380.76 = 250,115.75/x
  3. Step 3: Cross multiply
    329,589.59x = 494,380.76 × 250,115.75
  4. Step 4: Simplify right side
    329,589.59x = 123,652,412,726.36
  5. Step 5: Solve for x
    x = 123,652,412,726.36/329,589.59
  6. Step 6: Final answer
    x = 375,170.87

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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.