Home / 396,219.60-593,279.64-208,837.44

Finding the Fourth Proportional to 396,219.60, 593,279.64 and 208,837.44

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Solution

The fourth proportional to 396,219.60, 593,279.64 and 208,837.44 is: 312,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,219.60 : 593,279.64 = 208,837.44 : x
  2. Step 2: Convert to fraction form
    396,219.60/593,279.64 = 208,837.44/x
  3. Step 3: Cross multiply
    396,219.60x = 593,279.64 × 208,837.44
  4. Step 4: Simplify right side
    396,219.60x = 123,899,001,221.72
  5. Step 5: Solve for x
    x = 123,899,001,221.72/396,219.60
  6. Step 6: Final answer
    x = 312,702.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.