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Finding the Fourth Proportional to 271,240.28, 374,310.90 and 150,378.44

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Solution

The fourth proportional to 271,240.28, 374,310.90 and 150,378.44 is: 207,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,240.28 : 374,310.90 = 150,378.44 : x
  2. Step 2: Convert to fraction form
    271,240.28/374,310.90 = 150,378.44/x
  3. Step 3: Cross multiply
    271,240.28x = 374,310.90 × 150,378.44
  4. Step 4: Simplify right side
    271,240.28x = 56,288,289,217.00
  5. Step 5: Solve for x
    x = 56,288,289,217.00/271,240.28
  6. Step 6: Final answer
    x = 207,521.87

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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.