Home / 221,621.80-332,238.30-132,910.60

Finding the Fourth Proportional to 221,621.80, 332,238.30 and 132,910.60

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Solution

The fourth proportional to 221,621.80, 332,238.30 and 132,910.60 is: 199,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,621.80 : 332,238.30 = 132,910.60 : x
  2. Step 2: Convert to fraction form
    221,621.80/332,238.30 = 132,910.60/x
  3. Step 3: Cross multiply
    221,621.80x = 332,238.30 × 132,910.60
  4. Step 4: Simplify right side
    221,621.80x = 44,157,991,795.98
  5. Step 5: Solve for x
    x = 44,157,991,795.98/221,621.80
  6. Step 6: Final answer
    x = 199,249.31

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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.