Home / 449,121.30-619,704.46-255,517.70

Finding the Fourth Proportional to 449,121.30, 619,704.46 and 255,517.70

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Solution

The fourth proportional to 449,121.30, 619,704.46 and 255,517.70 is: 352,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,121.30 : 619,704.46 = 255,517.70 : x
  2. Step 2: Convert to fraction form
    449,121.30/619,704.46 = 255,517.70/x
  3. Step 3: Cross multiply
    449,121.30x = 619,704.46 × 255,517.70
  4. Step 4: Simplify right side
    449,121.30x = 158,345,458,298.94
  5. Step 5: Solve for x
    x = 158,345,458,298.94/449,121.30
  6. Step 6: Final answer
    x = 352,567.24

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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.