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Finding the Fourth Proportional to 394,314.85, 591,219.60 and 166,548.71

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Solution

The fourth proportional to 394,314.85, 591,219.60 and 166,548.71 is: 249,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,314.85 : 591,219.60 = 166,548.71 : x
  2. Step 2: Convert to fraction form
    394,314.85/591,219.60 = 166,548.71/x
  3. Step 3: Cross multiply
    394,314.85x = 591,219.60 × 166,548.71
  4. Step 4: Simplify right side
    394,314.85x = 98,466,861,706.72
  5. Step 5: Solve for x
    x = 98,466,861,706.72/394,314.85
  6. Step 6: Final answer
    x = 249,716.34

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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.