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Finding the Fourth Proportional to 299,701.92, 413,600.64 and 172,377.44

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Solution

The fourth proportional to 299,701.92, 413,600.64 and 172,377.44 is: 237,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,701.92 : 413,600.64 = 172,377.44 : x
  2. Step 2: Convert to fraction form
    299,701.92/413,600.64 = 172,377.44/x
  3. Step 3: Cross multiply
    299,701.92x = 413,600.64 × 172,377.44
  4. Step 4: Simplify right side
    299,701.92x = 71,295,419,505.56
  5. Step 5: Solve for x
    x = 71,295,419,505.56/299,701.92
  6. Step 6: Final answer
    x = 237,887.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.