Home / 265,941.28-398,631.78-88,400.56

Finding the Fourth Proportional to 265,941.28, 398,631.78 and 88,400.56

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Solution

The fourth proportional to 265,941.28, 398,631.78 and 88,400.56 is: 132,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,941.28 : 398,631.78 = 88,400.56 : x
  2. Step 2: Convert to fraction form
    265,941.28/398,631.78 = 88,400.56/x
  3. Step 3: Cross multiply
    265,941.28x = 398,631.78 × 88,400.56
  4. Step 4: Simplify right side
    265,941.28x = 35,239,272,585.80
  5. Step 5: Solve for x
    x = 35,239,272,585.80/265,941.28
  6. Step 6: Final answer
    x = 132,507.72

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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.