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Finding the Fourth Proportional to 252,517.68, 378,678.08 and 94,660

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Solution

The fourth proportional to 252,517.68, 378,678.08 and 94,660 is: 141,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,517.68 : 378,678.08 = 94,660 : x
  2. Step 2: Convert to fraction form
    252,517.68/378,678.08 = 94,660/x
  3. Step 3: Cross multiply
    252,517.68x = 378,678.08 × 94,660
  4. Step 4: Simplify right side
    252,517.68x = 35,845,667,052.80
  5. Step 5: Solve for x
    x = 35,845,667,052.80/252,517.68
  6. Step 6: Final answer
    x = 141,953.10

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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.