Home / 265,765.80-398,439.38-132,577.50

Finding the Fourth Proportional to 265,765.80, 398,439.38 and 132,577.50

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Solution

The fourth proportional to 265,765.80, 398,439.38 and 132,577.50 is: 198,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,765.80 : 398,439.38 = 132,577.50 : x
  2. Step 2: Convert to fraction form
    265,765.80/398,439.38 = 132,577.50/x
  3. Step 3: Cross multiply
    265,765.80x = 398,439.38 × 132,577.50
  4. Step 4: Simplify right side
    265,765.80x = 52,824,096,901.95
  5. Step 5: Solve for x
    x = 52,824,096,901.95/265,765.80
  6. Step 6: Final answer
    x = 198,761.83

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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.