Home / 309,517.38-464,275.95-204,311.70

Finding the Fourth Proportional to 309,517.38, 464,275.95 and 204,311.70

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Solution

The fourth proportional to 309,517.38, 464,275.95 and 204,311.70 is: 306,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,517.38 : 464,275.95 = 204,311.70 : x
  2. Step 2: Convert to fraction form
    309,517.38/464,275.95 = 204,311.70/x
  3. Step 3: Cross multiply
    309,517.38x = 464,275.95 × 204,311.70
  4. Step 4: Simplify right side
    309,517.38x = 94,857,008,613.62
  5. Step 5: Solve for x
    x = 94,857,008,613.62/309,517.38
  6. Step 6: Final answer
    x = 306,467.47

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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.