Home / 396,466.20-547,577.40-261,105.18

Finding the Fourth Proportional to 396,466.20, 547,577.40 and 261,105.18

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Solution

The fourth proportional to 396,466.20, 547,577.40 and 261,105.18 is: 360,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,466.20 : 547,577.40 = 261,105.18 : x
  2. Step 2: Convert to fraction form
    396,466.20/547,577.40 = 261,105.18/x
  3. Step 3: Cross multiply
    396,466.20x = 547,577.40 × 261,105.18
  4. Step 4: Simplify right side
    396,466.20x = 142,975,295,590.93
  5. Step 5: Solve for x
    x = 142,975,295,590.93/396,466.20
  6. Step 6: Final answer
    x = 360,624.17

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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.