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Finding the Fourth Proportional to 397,340.79, 548,489.13 and 244,440.96

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Solution

The fourth proportional to 397,340.79, 548,489.13 and 244,440.96 is: 337,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,340.79 : 548,489.13 = 244,440.96 : x
  2. Step 2: Convert to fraction form
    397,340.79/548,489.13 = 244,440.96/x
  3. Step 3: Cross multiply
    397,340.79x = 548,489.13 × 244,440.96
  4. Step 4: Simplify right side
    397,340.79x = 134,073,209,486.77
  5. Step 5: Solve for x
    x = 134,073,209,486.77/397,340.79
  6. Step 6: Final answer
    x = 337,426.24

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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.