Home / 271,183.35-406,728.76-71,505.69

Finding the Fourth Proportional to 271,183.35, 406,728.76 and 71,505.69

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Solution

The fourth proportional to 271,183.35, 406,728.76 and 71,505.69 is: 107,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,183.35 : 406,728.76 = 71,505.69 : x
  2. Step 2: Convert to fraction form
    271,183.35/406,728.76 = 71,505.69/x
  3. Step 3: Cross multiply
    271,183.35x = 406,728.76 × 71,505.69
  4. Step 4: Simplify right side
    271,183.35x = 29,083,420,626.64
  5. Step 5: Solve for x
    x = 29,083,420,626.64/271,183.35
  6. Step 6: Final answer
    x = 107,246.34

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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.