Home / 396,827.01-547,625.30-215,542.49

Finding the Fourth Proportional to 396,827.01, 547,625.30 and 215,542.49

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Solution

The fourth proportional to 396,827.01, 547,625.30 and 215,542.49 is: 297,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,827.01 : 547,625.30 = 215,542.49 : x
  2. Step 2: Convert to fraction form
    396,827.01/547,625.30 = 215,542.49/x
  3. Step 3: Cross multiply
    396,827.01x = 547,625.30 × 215,542.49
  4. Step 4: Simplify right side
    396,827.01x = 118,036,516,933.16
  5. Step 5: Solve for x
    x = 118,036,516,933.16/396,827.01
  6. Step 6: Final answer
    x = 297,450.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.