Home / 396,845.46-547,436.79-251,394.62

Finding the Fourth Proportional to 396,845.46, 547,436.79 and 251,394.62

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Solution

The fourth proportional to 396,845.46, 547,436.79 and 251,394.62 is: 346,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,845.46 : 547,436.79 = 251,394.62 : x
  2. Step 2: Convert to fraction form
    396,845.46/547,436.79 = 251,394.62/x
  3. Step 3: Cross multiply
    396,845.46x = 547,436.79 × 251,394.62
  4. Step 4: Simplify right side
    396,845.46x = 137,622,661,058.89
  5. Step 5: Solve for x
    x = 137,622,661,058.89/396,845.46
  6. Step 6: Final answer
    x = 346,791.57

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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.