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Finding the Fourth Proportional to 253,267.27, 349,517.47 and 144,387.71

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Solution

The fourth proportional to 253,267.27, 349,517.47 and 144,387.71 is: 199,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,267.27 : 349,517.47 = 144,387.71 : x
  2. Step 2: Convert to fraction form
    253,267.27/349,517.47 = 144,387.71/x
  3. Step 3: Cross multiply
    253,267.27x = 349,517.47 × 144,387.71
  4. Step 4: Simplify right side
    253,267.27x = 50,466,027,098.29
  5. Step 5: Solve for x
    x = 50,466,027,098.29/253,267.27
  6. Step 6: Final answer
    x = 199,259.96

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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.