Home / 221,449.40-332,013.18-88,289.72

Finding the Fourth Proportional to 221,449.40, 332,013.18 and 88,289.72

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Solution

The fourth proportional to 221,449.40, 332,013.18 and 88,289.72 is: 132,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,449.40 : 332,013.18 = 88,289.72 : x
  2. Step 2: Convert to fraction form
    221,449.40/332,013.18 = 88,289.72/x
  3. Step 3: Cross multiply
    221,449.40x = 332,013.18 × 88,289.72
  4. Step 4: Simplify right side
    221,449.40x = 29,313,350,698.51
  5. Step 5: Solve for x
    x = 29,313,350,698.51/221,449.40
  6. Step 6: Final answer
    x = 132,370.42

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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.