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Finding the Fourth Proportional to 394,286.67, 544,115.07 and 224,520.80

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Solution

The fourth proportional to 394,286.67, 544,115.07 and 224,520.80 is: 309,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,286.67 : 544,115.07 = 224,520.80 : x
  2. Step 2: Convert to fraction form
    394,286.67/544,115.07 = 224,520.80/x
  3. Step 3: Cross multiply
    394,286.67x = 544,115.07 × 224,520.80
  4. Step 4: Simplify right side
    394,286.67x = 122,165,148,087.88
  5. Step 5: Solve for x
    x = 122,165,148,087.88/394,286.67
  6. Step 6: Final answer
    x = 309,838.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.