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Finding the Fourth Proportional to 252,207.57, 378,422.79 and 132,235.84

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Solution

The fourth proportional to 252,207.57, 378,422.79 and 132,235.84 is: 198,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,207.57 : 378,422.79 = 132,235.84 : x
  2. Step 2: Convert to fraction form
    252,207.57/378,422.79 = 132,235.84/x
  3. Step 3: Cross multiply
    252,207.57x = 378,422.79 × 132,235.84
  4. Step 4: Simplify right side
    252,207.57x = 50,041,055,487.94
  5. Step 5: Solve for x
    x = 50,041,055,487.94/252,207.57
  6. Step 6: Final answer
    x = 198,412.18

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1.5x scale

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.