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Finding the Fourth Proportional to 252,591.75, 379,048.95 and 119,479.86

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Solution

The fourth proportional to 252,591.75, 379,048.95 and 119,479.86 is: 179,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,591.75 : 379,048.95 = 119,479.86 : x
  2. Step 2: Convert to fraction form
    252,591.75/379,048.95 = 119,479.86/x
  3. Step 3: Cross multiply
    252,591.75x = 379,048.95 × 119,479.86
  4. Step 4: Simplify right side
    252,591.75x = 45,288,715,479.15
  5. Step 5: Solve for x
    x = 45,288,715,479.15/252,591.75
  6. Step 6: Final answer
    x = 179,296.10

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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.