Home / 422,170.20-582,577.38-231,180.30

Finding the Fourth Proportional to 422,170.20, 582,577.38 and 231,180.30

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Solution

The fourth proportional to 422,170.20, 582,577.38 and 231,180.30 is: 319,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,170.20 : 582,577.38 = 231,180.30 : x
  2. Step 2: Convert to fraction form
    422,170.20/582,577.38 = 231,180.30/x
  3. Step 3: Cross multiply
    422,170.20x = 582,577.38 × 231,180.30
  4. Step 4: Simplify right side
    422,170.20x = 134,680,413,481.61
  5. Step 5: Solve for x
    x = 134,680,413,481.61/422,170.20
  6. Step 6: Final answer
    x = 319,019.23

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1.5x scale

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.