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Finding the Fourth Proportional to 252,321.42, 378,542.92 and 94,551.24

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Solution

The fourth proportional to 252,321.42, 378,542.92 and 94,551.24 is: 141,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,321.42 : 378,542.92 = 94,551.24 : x
  2. Step 2: Convert to fraction form
    252,321.42/378,542.92 = 94,551.24/x
  3. Step 3: Cross multiply
    252,321.42x = 378,542.92 × 94,551.24
  4. Step 4: Simplify right side
    252,321.42x = 35,791,702,479.22
  5. Step 5: Solve for x
    x = 35,791,702,479.22/252,321.42
  6. Step 6: Final answer
    x = 141,849.64

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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.