Home / 285,196.20-428,214.82-159,082.84

Finding the Fourth Proportional to 285,196.20, 428,214.82 and 159,082.84

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Solution

The fourth proportional to 285,196.20, 428,214.82 and 159,082.84 is: 238,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,196.20 : 428,214.82 = 159,082.84 : x
  2. Step 2: Convert to fraction form
    285,196.20/428,214.82 = 159,082.84/x
  3. Step 3: Cross multiply
    285,196.20x = 428,214.82 × 159,082.84
  4. Step 4: Simplify right side
    285,196.20x = 68,121,629,695.69
  5. Step 5: Solve for x
    x = 68,121,629,695.69/285,196.20
  6. Step 6: Final answer
    x = 238,858.83

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1.5x scale

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.