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Finding the Fourth Proportional to 273,391.81, 410,049.81 and 73,724.18

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Solution

The fourth proportional to 273,391.81, 410,049.81 and 73,724.18 is: 110,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,391.81 : 410,049.81 = 73,724.18 : x
  2. Step 2: Convert to fraction form
    273,391.81/410,049.81 = 73,724.18/x
  3. Step 3: Cross multiply
    273,391.81x = 410,049.81 × 73,724.18
  4. Step 4: Simplify right side
    273,391.81x = 30,230,583,951.16
  5. Step 5: Solve for x
    x = 30,230,583,951.16/273,391.81
  6. Step 6: Final answer
    x = 110,576.04

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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.