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Finding the Fourth Proportional to 603,982.80, 905,974.20 and 229,957.20

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Solution

The fourth proportional to 603,982.80, 905,974.20 and 229,957.20 is: 344,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,982.80 : 905,974.20 = 229,957.20 : x
  2. Step 2: Convert to fraction form
    603,982.80/905,974.20 = 229,957.20/x
  3. Step 3: Cross multiply
    603,982.80x = 905,974.20 × 229,957.20
  4. Step 4: Simplify right side
    603,982.80x = 208,335,290,304.24
  5. Step 5: Solve for x
    x = 208,335,290,304.24/603,982.80
  6. Step 6: Final answer
    x = 344,935.80

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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.