Home / 422,427.13-582,949.43-231,444.92

Finding the Fourth Proportional to 422,427.13, 582,949.43 and 231,444.92

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Solution

The fourth proportional to 422,427.13, 582,949.43 and 231,444.92 is: 319,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,427.13 : 582,949.43 = 231,444.92 : x
  2. Step 2: Convert to fraction form
    422,427.13/582,949.43 = 231,444.92/x
  3. Step 3: Cross multiply
    422,427.13x = 582,949.43 × 231,444.92
  4. Step 4: Simplify right side
    422,427.13x = 134,920,684,190.40
  5. Step 5: Solve for x
    x = 134,920,684,190.40/422,427.13
  6. Step 6: Final answer
    x = 319,393.98

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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.