Home / 396,984.64-595,142.22-172,175.75

Finding the Fourth Proportional to 396,984.64, 595,142.22 and 172,175.75

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Solution

The fourth proportional to 396,984.64, 595,142.22 and 172,175.75 is: 258,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,984.64 : 595,142.22 = 172,175.75 : x
  2. Step 2: Convert to fraction form
    396,984.64/595,142.22 = 172,175.75/x
  3. Step 3: Cross multiply
    396,984.64x = 595,142.22 × 172,175.75
  4. Step 4: Simplify right side
    396,984.64x = 102,469,058,085.17
  5. Step 5: Solve for x
    x = 102,469,058,085.17/396,984.64
  6. Step 6: Final answer
    x = 258,118.45

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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.