Home / 221,331.30-332,080.79-132,648.45

Finding the Fourth Proportional to 221,331.30, 332,080.79 and 132,648.45

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Solution

The fourth proportional to 221,331.30, 332,080.79 and 132,648.45 is: 199,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,331.30 : 332,080.79 = 132,648.45 : x
  2. Step 2: Convert to fraction form
    221,331.30/332,080.79 = 132,648.45/x
  3. Step 3: Cross multiply
    221,331.30x = 332,080.79 × 132,648.45
  4. Step 4: Simplify right side
    221,331.30x = 44,050,001,405.03
  5. Step 5: Solve for x
    x = 44,050,001,405.03/221,331.30
  6. Step 6: Final answer
    x = 199,022.92

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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.