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Finding the Fourth Proportional to 201,336.39, 301,732.43 and 88,997.49

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Solution

The fourth proportional to 201,336.39, 301,732.43 and 88,997.49 is: 133,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,336.39 : 301,732.43 = 88,997.49 : x
  2. Step 2: Convert to fraction form
    201,336.39/301,732.43 = 88,997.49/x
  3. Step 3: Cross multiply
    201,336.39x = 301,732.43 × 88,997.49
  4. Step 4: Simplify right side
    201,336.39x = 26,853,428,476.61
  5. Step 5: Solve for x
    x = 26,853,428,476.61/201,336.39
  6. Step 6: Final answer
    x = 133,375.93

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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.