Home / 271,229.31-406,838.57-84,240.27

Finding the Fourth Proportional to 271,229.31, 406,838.57 and 84,240.27

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Solution

The fourth proportional to 271,229.31, 406,838.57 and 84,240.27 is: 126,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,229.31 : 406,838.57 = 84,240.27 : x
  2. Step 2: Convert to fraction form
    271,229.31/406,838.57 = 84,240.27/x
  3. Step 3: Cross multiply
    271,229.31x = 406,838.57 × 84,240.27
  4. Step 4: Simplify right side
    271,229.31x = 34,272,190,562.01
  5. Step 5: Solve for x
    x = 34,272,190,562.01/271,229.31
  6. Step 6: Final answer
    x = 126,358.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.