Home / 221,012.94-331,516.98-132,291.22

Finding the Fourth Proportional to 221,012.94, 331,516.98 and 132,291.22

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Solution

The fourth proportional to 221,012.94, 331,516.98 and 132,291.22 is: 198,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,012.94 : 331,516.98 = 132,291.22 : x
  2. Step 2: Convert to fraction form
    221,012.94/331,516.98 = 132,291.22/x
  3. Step 3: Cross multiply
    221,012.94x = 331,516.98 × 132,291.22
  4. Step 4: Simplify right side
    221,012.94x = 43,856,785,734.92
  5. Step 5: Solve for x
    x = 43,856,785,734.92/221,012.94
  6. Step 6: Final answer
    x = 198,435.38

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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.