Home / 265,966.20-398,949.30-88,500.60

Finding the Fourth Proportional to 265,966.20, 398,949.30 and 88,500.60

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Solution

The fourth proportional to 265,966.20, 398,949.30 and 88,500.60 is: 132,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,966.20 : 398,949.30 = 88,500.60 : x
  2. Step 2: Convert to fraction form
    265,966.20/398,949.30 = 88,500.60/x
  3. Step 3: Cross multiply
    265,966.20x = 398,949.30 × 88,500.60
  4. Step 4: Simplify right side
    265,966.20x = 35,307,252,419.58
  5. Step 5: Solve for x
    x = 35,307,252,419.58/265,966.20
  6. Step 6: Final answer
    x = 132,750.90

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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.