Home / 396,209.43-546,767.22-214,921.44

Finding the Fourth Proportional to 396,209.43, 546,767.22 and 214,921.44

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Solution

The fourth proportional to 396,209.43, 546,767.22 and 214,921.44 is: 296,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,209.43 : 546,767.22 = 214,921.44 : x
  2. Step 2: Convert to fraction form
    396,209.43/546,767.22 = 214,921.44/x
  3. Step 3: Cross multiply
    396,209.43x = 546,767.22 × 214,921.44
  4. Step 4: Simplify right side
    396,209.43x = 117,511,998,267.20
  5. Step 5: Solve for x
    x = 117,511,998,267.20/396,209.43
  6. Step 6: Final answer
    x = 296,590.61

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1.5x scale

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.