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Finding the Fourth Proportional to 262,382.90, 394,449.15 and 223,891.70

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Solution

The fourth proportional to 262,382.90, 394,449.15 and 223,891.70 is: 336,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,382.90 : 394,449.15 = 223,891.70 : x
  2. Step 2: Convert to fraction form
    262,382.90/394,449.15 = 223,891.70/x
  3. Step 3: Cross multiply
    262,382.90x = 394,449.15 × 223,891.70
  4. Step 4: Simplify right side
    262,382.90x = 88,313,890,757.06
  5. Step 5: Solve for x
    x = 88,313,890,757.06/262,382.90
  6. Step 6: Final answer
    x = 336,584.02

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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.