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Finding the Fourth Proportional to 457,325.80, 685,711.67 and 204,559.18

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Solution

The fourth proportional to 457,325.80, 685,711.67 and 204,559.18 is: 306,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,325.80 : 685,711.67 = 204,559.18 : x
  2. Step 2: Convert to fraction form
    457,325.80/685,711.67 = 204,559.18/x
  3. Step 3: Cross multiply
    457,325.80x = 685,711.67 × 204,559.18
  4. Step 4: Simplify right side
    457,325.80x = 140,268,614,194.56
  5. Step 5: Solve for x
    x = 140,268,614,194.56/457,325.80
  6. Step 6: Final answer
    x = 306,714.85

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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.