Home / 396,544.60-547,232.25-215,256.66

Finding the Fourth Proportional to 396,544.60, 547,232.25 and 215,256.66

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Solution

The fourth proportional to 396,544.60, 547,232.25 and 215,256.66 is: 297,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,544.60 : 547,232.25 = 215,256.66 : x
  2. Step 2: Convert to fraction form
    396,544.60/547,232.25 = 215,256.66/x
  3. Step 3: Cross multiply
    396,544.60x = 547,232.25 × 215,256.66
  4. Step 4: Simplify right side
    396,544.60x = 117,795,382,854.50
  5. Step 5: Solve for x
    x = 117,795,382,854.50/396,544.60
  6. Step 6: Final answer
    x = 297,054.56

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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.