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Finding the Fourth Proportional to 253,165.52, 379,524.79 and 95,504.69

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Solution

The fourth proportional to 253,165.52, 379,524.79 and 95,504.69 is: 143,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,165.52 : 379,524.79 = 95,504.69 : x
  2. Step 2: Convert to fraction form
    253,165.52/379,524.79 = 95,504.69/x
  3. Step 3: Cross multiply
    253,165.52x = 379,524.79 × 95,504.69
  4. Step 4: Simplify right side
    253,165.52x = 36,246,397,416.27
  5. Step 5: Solve for x
    x = 36,246,397,416.27/253,165.52
  6. Step 6: Final answer
    x = 143,172.73

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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.