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Finding the Fourth Proportional to 144,352.97, 216,527.11 and 43,151.27

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Solution

The fourth proportional to 144,352.97, 216,527.11 and 43,151.27 is: 64,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,352.97 : 216,527.11 = 43,151.27 : x
  2. Step 2: Convert to fraction form
    144,352.97/216,527.11 = 43,151.27/x
  3. Step 3: Cross multiply
    144,352.97x = 216,527.11 × 43,151.27
  4. Step 4: Simplify right side
    144,352.97x = 9,343,419,785.93
  5. Step 5: Solve for x
    x = 9,343,419,785.93/144,352.97
  6. Step 6: Final answer
    x = 64,726.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.