Home / 221,599.44-332,021.04-121,843.20

Finding the Fourth Proportional to 221,599.44, 332,021.04 and 121,843.20

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Solution

The fourth proportional to 221,599.44, 332,021.04 and 121,843.20 is: 182,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,599.44 : 332,021.04 = 121,843.20 : x
  2. Step 2: Convert to fraction form
    221,599.44/332,021.04 = 121,843.20/x
  3. Step 3: Cross multiply
    221,599.44x = 332,021.04 × 121,843.20
  4. Step 4: Simplify right side
    221,599.44x = 40,454,505,980.93
  5. Step 5: Solve for x
    x = 40,454,505,980.93/221,599.44
  6. Step 6: Final answer
    x = 182,556.90

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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.