Home / 215,680.20-323,277.30-103,414.20

Finding the Fourth Proportional to 215,680.20, 323,277.30 and 103,414.20

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Solution

The fourth proportional to 215,680.20, 323,277.30 and 103,414.20 is: 155,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,680.20 : 323,277.30 = 103,414.20 : x
  2. Step 2: Convert to fraction form
    215,680.20/323,277.30 = 103,414.20/x
  3. Step 3: Cross multiply
    215,680.20x = 323,277.30 × 103,414.20
  4. Step 4: Simplify right side
    215,680.20x = 33,431,463,357.66
  5. Step 5: Solve for x
    x = 33,431,463,357.66/215,680.20
  6. Step 6: Final answer
    x = 155,004.79

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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.