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Finding the Fourth Proportional to 122,340.87, 183,489.39 and 33,582.69

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Solution

The fourth proportional to 122,340.87, 183,489.39 and 33,582.69 is: 50,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,340.87 : 183,489.39 = 33,582.69 : x
  2. Step 2: Convert to fraction form
    122,340.87/183,489.39 = 33,582.69/x
  3. Step 3: Cross multiply
    122,340.87x = 183,489.39 × 33,582.69
  4. Step 4: Simplify right side
    122,340.87x = 6,162,067,302.66
  5. Step 5: Solve for x
    x = 6,162,067,302.66/122,340.87
  6. Step 6: Final answer
    x = 50,368.02

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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.