Home / 322,811.80-445,298.25-193,717.24

Finding the Fourth Proportional to 322,811.80, 445,298.25 and 193,717.24

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Solution

The fourth proportional to 322,811.80, 445,298.25 and 193,717.24 is: 267,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,811.80 : 445,298.25 = 193,717.24 : x
  2. Step 2: Convert to fraction form
    322,811.80/445,298.25 = 193,717.24/x
  3. Step 3: Cross multiply
    322,811.80x = 445,298.25 × 193,717.24
  4. Step 4: Simplify right side
    322,811.80x = 86,261,947,966.83
  5. Step 5: Solve for x
    x = 86,261,947,966.83/322,811.80
  6. Step 6: Final answer
    x = 267,220.55

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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.