Home / 396,583.74-547,287.03-215,296.02

Finding the Fourth Proportional to 396,583.74, 547,287.03 and 215,296.02

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Solution

The fourth proportional to 396,583.74, 547,287.03 and 215,296.02 is: 297,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,583.74 : 547,287.03 = 215,296.02 : x
  2. Step 2: Convert to fraction form
    396,583.74/547,287.03 = 215,296.02/x
  3. Step 3: Cross multiply
    396,583.74x = 547,287.03 × 215,296.02
  4. Step 4: Simplify right side
    396,583.74x = 117,828,719,356.62
  5. Step 5: Solve for x
    x = 117,828,719,356.62/396,583.74
  6. Step 6: Final answer
    x = 297,109.30

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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.