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Finding the Fourth Proportional to 273,054.85, 409,581.92 and 73,375.24

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Solution

The fourth proportional to 273,054.85, 409,581.92 and 73,375.24 is: 110,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,054.85 : 409,581.92 = 73,375.24 : x
  2. Step 2: Convert to fraction form
    273,054.85/409,581.92 = 73,375.24/x
  3. Step 3: Cross multiply
    273,054.85x = 409,581.92 × 73,375.24
  4. Step 4: Simplify right side
    273,054.85x = 30,053,171,679.66
  5. Step 5: Solve for x
    x = 30,053,171,679.66/273,054.85
  6. Step 6: Final answer
    x = 110,062.76

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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.