Home / 396,826.20-547,647.48-224,742

Finding the Fourth Proportional to 396,826.20, 547,647.48 and 224,742

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Solution

The fourth proportional to 396,826.20, 547,647.48 and 224,742 is: 310,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826.20 : 547,647.48 = 224,742 : x
  2. Step 2: Convert to fraction form
    396,826.20/547,647.48 = 224,742/x
  3. Step 3: Cross multiply
    396,826.20x = 547,647.48 × 224,742
  4. Step 4: Simplify right side
    396,826.20x = 123,079,389,950.16
  5. Step 5: Solve for x
    x = 123,079,389,950.16/396,826.20
  6. Step 6: Final answer
    x = 310,159.43

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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.