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Finding the Fourth Proportional to 394,493.60, 591,740.40 and 244,246.70

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Solution

The fourth proportional to 394,493.60, 591,740.40 and 244,246.70 is: 366,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,493.60 : 591,740.40 = 244,246.70 : x
  2. Step 2: Convert to fraction form
    394,493.60/591,740.40 = 244,246.70/x
  3. Step 3: Cross multiply
    394,493.60x = 591,740.40 × 244,246.70
  4. Step 4: Simplify right side
    394,493.60x = 144,530,639,956.68
  5. Step 5: Solve for x
    x = 144,530,639,956.68/394,493.60
  6. Step 6: Final answer
    x = 366,370.05

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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.