Home / 221,690.30-332,341.05-132,979.10

Finding the Fourth Proportional to 221,690.30, 332,341.05 and 132,979.10

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Solution

The fourth proportional to 221,690.30, 332,341.05 and 132,979.10 is: 199,352.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,690.30 : 332,341.05 = 132,979.10 : x
  2. Step 2: Convert to fraction form
    221,690.30/332,341.05 = 132,979.10/x
  3. Step 3: Cross multiply
    221,690.30x = 332,341.05 × 132,979.10
  4. Step 4: Simplify right side
    221,690.30x = 44,194,413,722.06
  5. Step 5: Solve for x
    x = 44,194,413,722.06/221,690.30
  6. Step 6: Final answer
    x = 199,352.04

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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.