Home / 254,375.52-381,570.56-67,387

Finding the Fourth Proportional to 254,375.52, 381,570.56 and 67,387

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Solution

The fourth proportional to 254,375.52, 381,570.56 and 67,387 is: 101,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,375.52 : 381,570.56 = 67,387 : x
  2. Step 2: Convert to fraction form
    254,375.52/381,570.56 = 67,387/x
  3. Step 3: Cross multiply
    254,375.52x = 381,570.56 × 67,387
  4. Step 4: Simplify right side
    254,375.52x = 25,712,895,326.72
  5. Step 5: Solve for x
    x = 25,712,895,326.72/254,375.52
  6. Step 6: Final answer
    x = 101,082.43

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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.