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Finding the Fourth Proportional to 236,481, 326,350.68 and 129,057.92

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Solution

The fourth proportional to 236,481, 326,350.68 and 129,057.92 is: 178,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,481 : 326,350.68 = 129,057.92 : x
  2. Step 2: Convert to fraction form
    236,481/326,350.68 = 129,057.92/x
  3. Step 3: Cross multiply
    236,481x = 326,350.68 × 129,057.92
  4. Step 4: Simplify right side
    236,481x = 42,118,139,951.39
  5. Step 5: Solve for x
    x = 42,118,139,951.39/236,481
  6. Step 6: Final answer
    x = 178,103.70

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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.