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Finding the Fourth Proportional to 100,402.88, 150,604.83 and 33,843.58

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Solution

The fourth proportional to 100,402.88, 150,604.83 and 33,843.58 is: 50,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,402.88 : 150,604.83 = 33,843.58 : x
  2. Step 2: Convert to fraction form
    100,402.88/150,604.83 = 33,843.58/x
  3. Step 3: Cross multiply
    100,402.88x = 150,604.83 × 33,843.58
  4. Step 4: Simplify right side
    100,402.88x = 5,097,006,235.98
  5. Step 5: Solve for x
    x = 5,097,006,235.98/100,402.88
  6. Step 6: Final answer
    x = 50,765.54

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1.5x scale

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.