Home / 204,288.43-306,719.79-104,520.19

Finding the Fourth Proportional to 204,288.43, 306,719.79 and 104,520.19

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Solution

The fourth proportional to 204,288.43, 306,719.79 and 104,520.19 is: 156,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,288.43 : 306,719.79 = 104,520.19 : x
  2. Step 2: Convert to fraction form
    204,288.43/306,719.79 = 104,520.19/x
  3. Step 3: Cross multiply
    204,288.43x = 306,719.79 × 104,520.19
  4. Step 4: Simplify right side
    204,288.43x = 32,058,410,727.56
  5. Step 5: Solve for x
    x = 32,058,410,727.56/204,288.43
  6. Step 6: Final answer
    x = 156,927.20

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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.