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Finding the Fourth Proportional to 100,467.44, 150,662.52 and 33,889.76

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Solution

The fourth proportional to 100,467.44, 150,662.52 and 33,889.76 is: 50,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,467.44 : 150,662.52 = 33,889.76 : x
  2. Step 2: Convert to fraction form
    100,467.44/150,662.52 = 33,889.76/x
  3. Step 3: Cross multiply
    100,467.44x = 150,662.52 × 33,889.76
  4. Step 4: Simplify right side
    100,467.44x = 5,105,916,643.80
  5. Step 5: Solve for x
    x = 5,105,916,643.80/100,467.44
  6. Step 6: Final answer
    x = 50,821.61

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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.