Home / 396,209.28-546,768-226,536.96

Finding the Fourth Proportional to 396,209.28, 546,768 and 226,536.96

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Solution

The fourth proportional to 396,209.28, 546,768 and 226,536.96 is: 312,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,209.28 : 546,768 = 226,536.96 : x
  2. Step 2: Convert to fraction form
    396,209.28/546,768 = 226,536.96/x
  3. Step 3: Cross multiply
    396,209.28x = 546,768 × 226,536.96
  4. Step 4: Simplify right side
    396,209.28x = 123,863,160,545.28
  5. Step 5: Solve for x
    x = 123,863,160,545.28/396,209.28
  6. Step 6: Final answer
    x = 312,620.54

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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.