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Finding the Fourth Proportional to 424,594.62, 585,945.22 and 231,003.44

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Solution

The fourth proportional to 424,594.62, 585,945.22 and 231,003.44 is: 318,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,594.62 : 585,945.22 = 231,003.44 : x
  2. Step 2: Convert to fraction form
    424,594.62/585,945.22 = 231,003.44/x
  3. Step 3: Cross multiply
    424,594.62x = 585,945.22 × 231,003.44
  4. Step 4: Simplify right side
    424,594.62x = 135,355,361,471.56
  5. Step 5: Solve for x
    x = 135,355,361,471.56/424,594.62
  6. Step 6: Final answer
    x = 318,787.27

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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.