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Finding the Fourth Proportional to 263,200.40, 394,217.40 and 216,544.40

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Solution

The fourth proportional to 263,200.40, 394,217.40 and 216,544.40 is: 324,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,200.40 : 394,217.40 = 216,544.40 : x
  2. Step 2: Convert to fraction form
    263,200.40/394,217.40 = 216,544.40/x
  3. Step 3: Cross multiply
    263,200.40x = 394,217.40 × 216,544.40
  4. Step 4: Simplify right side
    263,200.40x = 85,365,570,352.56
  5. Step 5: Solve for x
    x = 85,365,570,352.56/263,200.40
  6. Step 6: Final answer
    x = 324,336.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.