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Finding the Fourth Proportional to 273,378.33, 410,067.80 and 73,718.60

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Solution

The fourth proportional to 273,378.33, 410,067.80 and 73,718.60 is: 110,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,378.33 : 410,067.80 = 73,718.60 : x
  2. Step 2: Convert to fraction form
    273,378.33/410,067.80 = 73,718.60/x
  3. Step 3: Cross multiply
    273,378.33x = 410,067.80 × 73,718.60
  4. Step 4: Simplify right side
    273,378.33x = 30,229,621,702.15
  5. Step 5: Solve for x
    x = 30,229,621,702.15/273,378.33
  6. Step 6: Final answer
    x = 110,577.97

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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.