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Finding the Fourth Proportional to 188,873.22, 283,340.60 and 55,766.93

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Solution

The fourth proportional to 188,873.22, 283,340.60 and 55,766.93 is: 83,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,873.22 : 283,340.60 = 55,766.93 : x
  2. Step 2: Convert to fraction form
    188,873.22/283,340.60 = 55,766.93/x
  3. Step 3: Cross multiply
    188,873.22x = 283,340.60 × 55,766.93
  4. Step 4: Simplify right side
    188,873.22x = 15,801,035,406.36
  5. Step 5: Solve for x
    x = 15,801,035,406.36/188,873.22
  6. Step 6: Final answer
    x = 83,659.48

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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.