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Finding the Fourth Proportional to 329,065.92, 490,791.36 and 323,379.68

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Solution

The fourth proportional to 329,065.92, 490,791.36 and 323,379.68 is: 482,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,065.92 : 490,791.36 = 323,379.68 : x
  2. Step 2: Convert to fraction form
    329,065.92/490,791.36 = 323,379.68/x
  3. Step 3: Cross multiply
    329,065.92x = 490,791.36 × 323,379.68
  4. Step 4: Simplify right side
    329,065.92x = 158,711,952,943.57
  5. Step 5: Solve for x
    x = 158,711,952,943.57/329,065.92
  6. Step 6: Final answer
    x = 482,310.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.