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Finding the Fourth Proportional to 237,188.94, 327,318.81 and 129,759.86

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Solution

The fourth proportional to 237,188.94, 327,318.81 and 129,759.86 is: 179,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,188.94 : 327,318.81 = 129,759.86 : x
  2. Step 2: Convert to fraction form
    237,188.94/327,318.81 = 129,759.86/x
  3. Step 3: Cross multiply
    237,188.94x = 327,318.81 × 129,759.86
  4. Step 4: Simplify right side
    237,188.94x = 42,472,841,324.37
  5. Step 5: Solve for x
    x = 42,472,841,324.37/237,188.94
  6. Step 6: Final answer
    x = 179,067.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.