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Finding the Fourth Proportional to 150,611.35, 225,917.04 and 50,763.20

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Solution

The fourth proportional to 150,611.35, 225,917.04 and 50,763.20 is: 76,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,611.35 : 225,917.04 = 50,763.20 : x
  2. Step 2: Convert to fraction form
    150,611.35/225,917.04 = 50,763.20/x
  3. Step 3: Cross multiply
    150,611.35x = 225,917.04 × 50,763.20
  4. Step 4: Simplify right side
    150,611.35x = 11,468,271,884.93
  5. Step 5: Solve for x
    x = 11,468,271,884.93/150,611.35
  6. Step 6: Final answer
    x = 76,144.81

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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.