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Finding the Fourth Proportional to 271,272.62, 374,394.96 and 150,440.78

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Solution

The fourth proportional to 271,272.62, 374,394.96 and 150,440.78 is: 207,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,272.62 : 374,394.96 = 150,440.78 : x
  2. Step 2: Convert to fraction form
    271,272.62/374,394.96 = 150,440.78/x
  3. Step 3: Cross multiply
    271,272.62x = 374,394.96 × 150,440.78
  4. Step 4: Simplify right side
    271,272.62x = 56,324,269,810.47
  5. Step 5: Solve for x
    x = 56,324,269,810.47/271,272.62
  6. Step 6: Final answer
    x = 207,629.76

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1.5x scale

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.