Home / 271,086.26-406,077.17-128,499.35

Finding the Fourth Proportional to 271,086.26, 406,077.17 and 128,499.35

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Solution

The fourth proportional to 271,086.26, 406,077.17 and 128,499.35 is: 192,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,086.26 : 406,077.17 = 128,499.35 : x
  2. Step 2: Convert to fraction form
    271,086.26/406,077.17 = 128,499.35/x
  3. Step 3: Cross multiply
    271,086.26x = 406,077.17 × 128,499.35
  4. Step 4: Simplify right side
    271,086.26x = 52,180,649,721.96
  5. Step 5: Solve for x
    x = 52,180,649,721.96/271,086.26
  6. Step 6: Final answer
    x = 192,487.26

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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.