Home / 408,121.20-563,180.04-226,821.36

Finding the Fourth Proportional to 408,121.20, 563,180.04 and 226,821.36

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Solution

The fourth proportional to 408,121.20, 563,180.04 and 226,821.36 is: 312,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,121.20 : 563,180.04 = 226,821.36 : x
  2. Step 2: Convert to fraction form
    408,121.20/563,180.04 = 226,821.36/x
  3. Step 3: Cross multiply
    408,121.20x = 563,180.04 × 226,821.36
  4. Step 4: Simplify right side
    408,121.20x = 127,741,262,597.65
  5. Step 5: Solve for x
    x = 127,741,262,597.65/408,121.20
  6. Step 6: Final answer
    x = 312,998.35

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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.