Home / 221,817.11-332,583.80-131,835.82

Finding the Fourth Proportional to 221,817.11, 332,583.80 and 131,835.82

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Solution

The fourth proportional to 221,817.11, 332,583.80 and 131,835.82 is: 197,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,817.11 : 332,583.80 = 131,835.82 : x
  2. Step 2: Convert to fraction form
    221,817.11/332,583.80 = 131,835.82/x
  3. Step 3: Cross multiply
    221,817.11x = 332,583.80 × 131,835.82
  4. Step 4: Simplify right side
    221,817.11x = 43,846,456,926.65
  5. Step 5: Solve for x
    x = 43,846,456,926.65/221,817.11
  6. Step 6: Final answer
    x = 197,669.41

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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.