Home / 198,326.22-296,825.13-162,786.39

Finding the Fourth Proportional to 198,326.22, 296,825.13 and 162,786.39

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Solution

The fourth proportional to 198,326.22, 296,825.13 and 162,786.39 is: 243,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,326.22 : 296,825.13 = 162,786.39 : x
  2. Step 2: Convert to fraction form
    198,326.22/296,825.13 = 162,786.39/x
  3. Step 3: Cross multiply
    198,326.22x = 296,825.13 × 162,786.39
  4. Step 4: Simplify right side
    198,326.22x = 48,319,091,373.98
  5. Step 5: Solve for x
    x = 48,319,091,373.98/198,326.22
  6. Step 6: Final answer
    x = 243,634.41

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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.