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Finding the Fourth Proportional to 237,422.97, 327,643 and 129,992.13

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Solution

The fourth proportional to 237,422.97, 327,643 and 129,992.13 is: 179,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,422.97 : 327,643 = 129,992.13 : x
  2. Step 2: Convert to fraction form
    237,422.97/327,643 = 129,992.13/x
  3. Step 3: Cross multiply
    237,422.97x = 327,643 × 129,992.13
  4. Step 4: Simplify right side
    237,422.97x = 42,591,011,449.59
  5. Step 5: Solve for x
    x = 42,591,011,449.59/237,422.97
  6. Step 6: Final answer
    x = 179,388.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.