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Finding the Fourth Proportional to 381,951.72, 572,925.31 and 97,641.82

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Solution

The fourth proportional to 381,951.72, 572,925.31 and 97,641.82 is: 146,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,951.72 : 572,925.31 = 97,641.82 : x
  2. Step 2: Convert to fraction form
    381,951.72/572,925.31 = 97,641.82/x
  3. Step 3: Cross multiply
    381,951.72x = 572,925.31 × 97,641.82
  4. Step 4: Simplify right side
    381,951.72x = 55,941,472,178.13
  5. Step 5: Solve for x
    x = 55,941,472,178.13/381,951.72
  6. Step 6: Final answer
    x = 146,462.15

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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.