Home / 396,524.08-547,188.37-215,232.11

Finding the Fourth Proportional to 396,524.08, 547,188.37 and 215,232.11

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Solution

The fourth proportional to 396,524.08, 547,188.37 and 215,232.11 is: 297,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,524.08 : 547,188.37 = 215,232.11 : x
  2. Step 2: Convert to fraction form
    396,524.08/547,188.37 = 215,232.11/x
  3. Step 3: Cross multiply
    396,524.08x = 547,188.37 × 215,232.11
  4. Step 4: Simplify right side
    396,524.08x = 117,772,507,442.56
  5. Step 5: Solve for x
    x = 117,772,507,442.56/396,524.08
  6. Step 6: Final answer
    x = 297,012.25

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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.