Home / 396,526.08-547,191.13-215,234.11

Finding the Fourth Proportional to 396,526.08, 547,191.13 and 215,234.11

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Solution

The fourth proportional to 396,526.08, 547,191.13 and 215,234.11 is: 297,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,526.08 : 547,191.13 = 215,234.11 : x
  2. Step 2: Convert to fraction form
    396,526.08/547,191.13 = 215,234.11/x
  3. Step 3: Cross multiply
    396,526.08x = 547,191.13 × 215,234.11
  4. Step 4: Simplify right side
    396,526.08x = 117,774,195,865.44
  5. Step 5: Solve for x
    x = 117,774,195,865.44/396,526.08
  6. Step 6: Final answer
    x = 297,015.01

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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.