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Finding the Fourth Proportional to 271,343.52, 374,479.02 and 150,489.84

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Solution

The fourth proportional to 271,343.52, 374,479.02 and 150,489.84 is: 207,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,343.52 : 374,479.02 = 150,489.84 : x
  2. Step 2: Convert to fraction form
    271,343.52/374,479.02 = 150,489.84/x
  3. Step 3: Cross multiply
    271,343.52x = 374,479.02 × 150,489.84
  4. Step 4: Simplify right side
    271,343.52x = 56,355,287,803.16
  5. Step 5: Solve for x
    x = 56,355,287,803.16/271,343.52
  6. Step 6: Final answer
    x = 207,689.82

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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.