Home / 461,227.20-691,542.66-180,772.80

Finding the Fourth Proportional to 461,227.20, 691,542.66 and 180,772.80

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Solution

The fourth proportional to 461,227.20, 691,542.66 and 180,772.80 is: 271,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,227.20 : 691,542.66 = 180,772.80 : x
  2. Step 2: Convert to fraction form
    461,227.20/691,542.66 = 180,772.80/x
  3. Step 3: Cross multiply
    461,227.20x = 691,542.66 × 180,772.80
  4. Step 4: Simplify right side
    461,227.20x = 125,012,102,967.65
  5. Step 5: Solve for x
    x = 125,012,102,967.65/461,227.20
  6. Step 6: Final answer
    x = 271,042.35

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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.