Home / 396,543.33-547,214.94-215,251.29

Finding the Fourth Proportional to 396,543.33, 547,214.94 and 215,251.29

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Solution

The fourth proportional to 396,543.33, 547,214.94 and 215,251.29 is: 297,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,543.33 : 547,214.94 = 215,251.29 : x
  2. Step 2: Convert to fraction form
    396,543.33/547,214.94 = 215,251.29/x
  3. Step 3: Cross multiply
    396,543.33x = 547,214.94 × 215,251.29
  4. Step 4: Simplify right side
    396,543.33x = 117,788,721,742.27
  5. Step 5: Solve for x
    x = 117,788,721,742.27/396,543.33
  6. Step 6: Final answer
    x = 297,038.72

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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.