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Finding the Fourth Proportional to 221,506.65, 332,219.88 and 63,696.38

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Solution

The fourth proportional to 221,506.65, 332,219.88 and 63,696.38 is: 95,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,506.65 : 332,219.88 = 63,696.38 : x
  2. Step 2: Convert to fraction form
    221,506.65/332,219.88 = 63,696.38/x
  3. Step 3: Cross multiply
    221,506.65x = 332,219.88 × 63,696.38
  4. Step 4: Simplify right side
    221,506.65x = 21,161,202,058.94
  5. Step 5: Solve for x
    x = 21,161,202,058.94/221,506.65
  6. Step 6: Final answer
    x = 95,533.03

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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.