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Finding the Fourth Proportional to 394,344, 544,155.72 and 241,425.30

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Solution

The fourth proportional to 394,344, 544,155.72 and 241,425.30 is: 333,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,344 : 544,155.72 = 241,425.30 : x
  2. Step 2: Convert to fraction form
    394,344/544,155.72 = 241,425.30/x
  3. Step 3: Cross multiply
    394,344x = 544,155.72 × 241,425.30
  4. Step 4: Simplify right side
    394,344x = 131,372,957,947.72
  5. Step 5: Solve for x
    x = 131,372,957,947.72/394,344
  6. Step 6: Final answer
    x = 333,143.04

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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.