Home / 396,795.66-547,581.96-215,511.14

Finding the Fourth Proportional to 396,795.66, 547,581.96 and 215,511.14

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Solution

The fourth proportional to 396,795.66, 547,581.96 and 215,511.14 is: 297,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,795.66 : 547,581.96 = 215,511.14 : x
  2. Step 2: Convert to fraction form
    396,795.66/547,581.96 = 215,511.14/x
  3. Step 3: Cross multiply
    396,795.66x = 547,581.96 × 215,511.14
  4. Step 4: Simplify right side
    396,795.66x = 118,010,009,705.13
  5. Step 5: Solve for x
    x = 118,010,009,705.13/396,795.66
  6. Step 6: Final answer
    x = 297,407.51

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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.