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Finding the Fourth Proportional to 185,815.36, 278,532.32 and 73,449.92

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Solution

The fourth proportional to 185,815.36, 278,532.32 and 73,449.92 is: 110,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,815.36 : 278,532.32 = 73,449.92 : x
  2. Step 2: Convert to fraction form
    185,815.36/278,532.32 = 73,449.92/x
  3. Step 3: Cross multiply
    185,815.36x = 278,532.32 × 73,449.92
  4. Step 4: Simplify right side
    185,815.36x = 20,458,176,621.41
  5. Step 5: Solve for x
    x = 20,458,176,621.41/185,815.36
  6. Step 6: Final answer
    x = 110,099.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.