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Finding the Fourth Proportional to 654,250.89, 981,375.11 and 205,006.17

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Solution

The fourth proportional to 654,250.89, 981,375.11 and 205,006.17 is: 307,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,250.89 : 981,375.11 = 205,006.17 : x
  2. Step 2: Convert to fraction form
    654,250.89/981,375.11 = 205,006.17/x
  3. Step 3: Cross multiply
    654,250.89x = 981,375.11 × 205,006.17
  4. Step 4: Simplify right side
    654,250.89x = 201,187,946,702.52
  5. Step 5: Solve for x
    x = 201,187,946,702.52/654,250.89
  6. Step 6: Final answer
    x = 307,508.86

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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.