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Finding the Fourth Proportional to 225,978.38, 311,839.71 and 124,001.27

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Solution

The fourth proportional to 225,978.38, 311,839.71 and 124,001.27 is: 171,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,978.38 : 311,839.71 = 124,001.27 : x
  2. Step 2: Convert to fraction form
    225,978.38/311,839.71 = 124,001.27/x
  3. Step 3: Cross multiply
    225,978.38x = 311,839.71 × 124,001.27
  4. Step 4: Simplify right side
    225,978.38x = 38,668,520,076.43
  5. Step 5: Solve for x
    x = 38,668,520,076.43/225,978.38
  6. Step 6: Final answer
    x = 171,116.02

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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.