Home / 646,132.18-969,198.04-172,805.24

Finding the Fourth Proportional to 646,132.18, 969,198.04 and 172,805.24

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Solution

The fourth proportional to 646,132.18, 969,198.04 and 172,805.24 is: 259,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,132.18 : 969,198.04 = 172,805.24 : x
  2. Step 2: Convert to fraction form
    646,132.18/969,198.04 = 172,805.24/x
  3. Step 3: Cross multiply
    646,132.18x = 969,198.04 × 172,805.24
  4. Step 4: Simplify right side
    646,132.18x = 167,482,499,909.73
  5. Step 5: Solve for x
    x = 167,482,499,909.73/646,132.18
  6. Step 6: Final answer
    x = 259,207.80

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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.