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Finding the Fourth Proportional to 271,505.75, 374,672.20 and 150,644.44

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Solution

The fourth proportional to 271,505.75, 374,672.20 and 150,644.44 is: 207,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,505.75 : 374,672.20 = 150,644.44 : x
  2. Step 2: Convert to fraction form
    271,505.75/374,672.20 = 150,644.44/x
  3. Step 3: Cross multiply
    271,505.75x = 374,672.20 × 150,644.44
  4. Step 4: Simplify right side
    271,505.75x = 56,442,283,752.57
  5. Step 5: Solve for x
    x = 56,442,283,752.57/271,505.75
  6. Step 6: Final answer
    x = 207,886.15

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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.