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Finding the Fourth Proportional to 379,179.94, 568,612.10 and 154,387.94

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Solution

The fourth proportional to 379,179.94, 568,612.10 and 154,387.94 is: 231,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,179.94 : 568,612.10 = 154,387.94 : x
  2. Step 2: Convert to fraction form
    379,179.94/568,612.10 = 154,387.94/x
  3. Step 3: Cross multiply
    379,179.94x = 568,612.10 × 154,387.94
  4. Step 4: Simplify right side
    379,179.94x = 87,786,850,778.07
  5. Step 5: Solve for x
    x = 87,786,850,778.07/379,179.94
  6. Step 6: Final answer
    x = 231,517.66

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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.