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Finding the Fourth Proportional to 235,974.20, 325,620.12 and 132,591.98

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Solution

The fourth proportional to 235,974.20, 325,620.12 and 132,591.98 is: 182,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,974.20 : 325,620.12 = 132,591.98 : x
  2. Step 2: Convert to fraction form
    235,974.20/325,620.12 = 132,591.98/x
  3. Step 3: Cross multiply
    235,974.20x = 325,620.12 × 132,591.98
  4. Step 4: Simplify right side
    235,974.20x = 43,174,614,810.54
  5. Step 5: Solve for x
    x = 43,174,614,810.54/235,974.20
  6. Step 6: Final answer
    x = 182,963.29

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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.