Home / 274,979.61-412,863.08-204,120.81

Finding the Fourth Proportional to 274,979.61, 412,863.08 and 204,120.81

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Solution

The fourth proportional to 274,979.61, 412,863.08 and 204,120.81 is: 306,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,979.61 : 412,863.08 = 204,120.81 : x
  2. Step 2: Convert to fraction form
    274,979.61/412,863.08 = 204,120.81/x
  3. Step 3: Cross multiply
    274,979.61x = 412,863.08 × 204,120.81
  4. Step 4: Simplify right side
    274,979.61x = 84,273,945,288.09
  5. Step 5: Solve for x
    x = 84,273,945,288.09/274,979.61
  6. Step 6: Final answer
    x = 306,473.43

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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.