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Finding the Fourth Proportional to 382,165.96, 573,331.38 and 115,947.91

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Solution

The fourth proportional to 382,165.96, 573,331.38 and 115,947.91 is: 173,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,165.96 : 573,331.38 = 115,947.91 : x
  2. Step 2: Convert to fraction form
    382,165.96/573,331.38 = 115,947.91/x
  3. Step 3: Cross multiply
    382,165.96x = 573,331.38 × 115,947.91
  4. Step 4: Simplify right side
    382,165.96x = 66,476,575,248.42
  5. Step 5: Solve for x
    x = 66,476,575,248.42/382,165.96
  6. Step 6: Final answer
    x = 173,946.88

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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.