Home / 232,654.94-321,056.81-129,288.78

Finding the Fourth Proportional to 232,654.94, 321,056.81 and 129,288.78

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Solution

The fourth proportional to 232,654.94, 321,056.81 and 129,288.78 is: 178,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,654.94 : 321,056.81 = 129,288.78 : x
  2. Step 2: Convert to fraction form
    232,654.94/321,056.81 = 129,288.78/x
  3. Step 3: Cross multiply
    232,654.94x = 321,056.81 × 129,288.78
  4. Step 4: Simplify right side
    232,654.94x = 41,509,042,629.15
  5. Step 5: Solve for x
    x = 41,509,042,629.15/232,654.94
  6. Step 6: Final answer
    x = 178,414.62

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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.