Home / 221,824.20-332,763.86-86,870.83

Finding the Fourth Proportional to 221,824.20, 332,763.86 and 86,870.83

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Solution

The fourth proportional to 221,824.20, 332,763.86 and 86,870.83 is: 130,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,824.20 : 332,763.86 = 86,870.83 : x
  2. Step 2: Convert to fraction form
    221,824.20/332,763.86 = 86,870.83/x
  3. Step 3: Cross multiply
    221,824.20x = 332,763.86 × 86,870.83
  4. Step 4: Simplify right side
    221,824.20x = 28,907,472,712.20
  5. Step 5: Solve for x
    x = 28,907,472,712.20/221,824.20
  6. Step 6: Final answer
    x = 130,317.04

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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.