Home / 265,977.60-398,633.76-132,895.20

Finding the Fourth Proportional to 265,977.60, 398,633.76 and 132,895.20

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Solution

The fourth proportional to 265,977.60, 398,633.76 and 132,895.20 is: 199,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,977.60 : 398,633.76 = 132,895.20 : x
  2. Step 2: Convert to fraction form
    265,977.60/398,633.76 = 132,895.20/x
  3. Step 3: Cross multiply
    265,977.60x = 398,633.76 × 132,895.20
  4. Step 4: Simplify right side
    265,977.60x = 52,976,513,261.95
  5. Step 5: Solve for x
    x = 52,976,513,261.95/265,977.60
  6. Step 6: Final answer
    x = 199,176.60

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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.