Home / 351,021.32-484,409.40-198,091.88

Finding the Fourth Proportional to 351,021.32, 484,409.40 and 198,091.88

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Solution

The fourth proportional to 351,021.32, 484,409.40 and 198,091.88 is: 273,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021.32 : 484,409.40 = 198,091.88 : x
  2. Step 2: Convert to fraction form
    351,021.32/484,409.40 = 198,091.88/x
  3. Step 3: Cross multiply
    351,021.32x = 484,409.40 × 198,091.88
  4. Step 4: Simplify right side
    351,021.32x = 95,957,568,735.67
  5. Step 5: Solve for x
    x = 95,957,568,735.67/351,021.32
  6. Step 6: Final answer
    x = 273,366.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.