Home / 422,335.64-582,356.17-269,131.16

Finding the Fourth Proportional to 422,335.64, 582,356.17 and 269,131.16

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Solution

The fourth proportional to 422,335.64, 582,356.17 and 269,131.16 is: 371,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,335.64 : 582,356.17 = 269,131.16 : x
  2. Step 2: Convert to fraction form
    422,335.64/582,356.17 = 269,131.16/x
  3. Step 3: Cross multiply
    422,335.64x = 582,356.17 × 269,131.16
  4. Step 4: Simplify right side
    422,335.64x = 156,730,193,357.56
  5. Step 5: Solve for x
    x = 156,730,193,357.56/422,335.64
  6. Step 6: Final answer
    x = 371,103.40

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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.