Home / 396,468.42-547,126.96-215,180.36

Finding the Fourth Proportional to 396,468.42, 547,126.96 and 215,180.36

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Solution

The fourth proportional to 396,468.42, 547,126.96 and 215,180.36 is: 296,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,468.42 : 547,126.96 = 215,180.36 : x
  2. Step 2: Convert to fraction form
    396,468.42/547,126.96 = 215,180.36/x
  3. Step 3: Cross multiply
    396,468.42x = 547,126.96 × 215,180.36
  4. Step 4: Simplify right side
    396,468.42x = 117,730,976,218.51
  5. Step 5: Solve for x
    x = 117,730,976,218.51/396,468.42
  6. Step 6: Final answer
    x = 296,949.19

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1.5x scale

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.