Home / 326,082.20-489,366.30-168,229.40

Finding the Fourth Proportional to 326,082.20, 489,366.30 and 168,229.40

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Solution

The fourth proportional to 326,082.20, 489,366.30 and 168,229.40 is: 252,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,082.20 : 489,366.30 = 168,229.40 : x
  2. Step 2: Convert to fraction form
    326,082.20/489,366.30 = 168,229.40/x
  3. Step 3: Cross multiply
    326,082.20x = 489,366.30 × 168,229.40
  4. Step 4: Simplify right side
    326,082.20x = 82,325,799,029.22
  5. Step 5: Solve for x
    x = 82,325,799,029.22/326,082.20
  6. Step 6: Final answer
    x = 252,469.47

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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.