Home / 217,217.28-325,623.96-84,184.32

Finding the Fourth Proportional to 217,217.28, 325,623.96 and 84,184.32

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Solution

The fourth proportional to 217,217.28, 325,623.96 and 84,184.32 is: 126,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,217.28 : 325,623.96 = 84,184.32 : x
  2. Step 2: Convert to fraction form
    217,217.28/325,623.96 = 84,184.32/x
  3. Step 3: Cross multiply
    217,217.28x = 325,623.96 × 84,184.32
  4. Step 4: Simplify right side
    217,217.28x = 27,412,431,648.31
  5. Step 5: Solve for x
    x = 27,412,431,648.31/217,217.28
  6. Step 6: Final answer
    x = 126,198.21

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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.