Home / 271,986.62-407,979.41-72,306.97

Finding the Fourth Proportional to 271,986.62, 407,979.41 and 72,306.97

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Solution

The fourth proportional to 271,986.62, 407,979.41 and 72,306.97 is: 108,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,986.62 : 407,979.41 = 72,306.97 : x
  2. Step 2: Convert to fraction form
    271,986.62/407,979.41 = 72,306.97/x
  3. Step 3: Cross multiply
    271,986.62x = 407,979.41 × 72,306.97
  4. Step 4: Simplify right side
    271,986.62x = 29,499,753,578.00
  5. Step 5: Solve for x
    x = 29,499,753,578.00/271,986.62
  6. Step 6: Final answer
    x = 108,460.31

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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.