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Finding the Fourth Proportional to 221,340.94, 332,010.69 and 132,621.10

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Solution

The fourth proportional to 221,340.94, 332,010.69 and 132,621.10 is: 198,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,340.94 : 332,010.69 = 132,621.10 : x
  2. Step 2: Convert to fraction form
    221,340.94/332,010.69 = 132,621.10/x
  3. Step 3: Cross multiply
    221,340.94x = 332,010.69 × 132,621.10
  4. Step 4: Simplify right side
    221,340.94x = 44,031,622,919.56
  5. Step 5: Solve for x
    x = 44,031,622,919.56/221,340.94
  6. Step 6: Final answer
    x = 198,931.22

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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.