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Finding the Fourth Proportional to 252,849.80, 379,296.42 and 65,861

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Solution

The fourth proportional to 252,849.80, 379,296.42 and 65,861 is: 98,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,849.80 : 379,296.42 = 65,861 : x
  2. Step 2: Convert to fraction form
    252,849.80/379,296.42 = 65,861/x
  3. Step 3: Cross multiply
    252,849.80x = 379,296.42 × 65,861
  4. Step 4: Simplify right side
    252,849.80x = 24,980,841,517.62
  5. Step 5: Solve for x
    x = 24,980,841,517.62/252,849.80
  6. Step 6: Final answer
    x = 98,797.16

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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.