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Finding the Fourth Proportional to 274,600.71, 378,753.30 and 252,012.65

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Solution

The fourth proportional to 274,600.71, 378,753.30 and 252,012.65 is: 347,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,600.71 : 378,753.30 = 252,012.65 : x
  2. Step 2: Convert to fraction form
    274,600.71/378,753.30 = 252,012.65/x
  3. Step 3: Cross multiply
    274,600.71x = 378,753.30 × 252,012.65
  4. Step 4: Simplify right side
    274,600.71x = 95,450,620,935.48
  5. Step 5: Solve for x
    x = 95,450,620,935.48/274,600.71
  6. Step 6: Final answer
    x = 347,597.87

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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.