Home / 396,525.08-547,189.75-215,233.11

Finding the Fourth Proportional to 396,525.08, 547,189.75 and 215,233.11

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Solution

The fourth proportional to 396,525.08, 547,189.75 and 215,233.11 is: 297,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,525.08 : 547,189.75 = 215,233.11 : x
  2. Step 2: Convert to fraction form
    396,525.08/547,189.75 = 215,233.11/x
  3. Step 3: Cross multiply
    396,525.08x = 547,189.75 × 215,233.11
  4. Step 4: Simplify right side
    396,525.08x = 117,773,351,652.62
  5. Step 5: Solve for x
    x = 117,773,351,652.62/396,525.08
  6. Step 6: Final answer
    x = 297,013.63

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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.