Home / 396,544.98-547,232.76-215,257.03

Finding the Fourth Proportional to 396,544.98, 547,232.76 and 215,257.03

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Solution

The fourth proportional to 396,544.98, 547,232.76 and 215,257.03 is: 297,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,544.98 : 547,232.76 = 215,257.03 : x
  2. Step 2: Convert to fraction form
    396,544.98/547,232.76 = 215,257.03/x
  3. Step 3: Cross multiply
    396,544.98x = 547,232.76 × 215,257.03
  4. Step 4: Simplify right side
    396,544.98x = 117,795,700,127.56
  5. Step 5: Solve for x
    x = 117,795,700,127.56/396,544.98
  6. Step 6: Final answer
    x = 297,055.08

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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.