Home / 198,400.82-297,290.18-168,696.50

Finding the Fourth Proportional to 198,400.82, 297,290.18 and 168,696.50

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Solution

The fourth proportional to 198,400.82, 297,290.18 and 168,696.50 is: 252,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,400.82 : 297,290.18 = 168,696.50 : x
  2. Step 2: Convert to fraction form
    198,400.82/297,290.18 = 168,696.50/x
  3. Step 3: Cross multiply
    198,400.82x = 297,290.18 × 168,696.50
  4. Step 4: Simplify right side
    198,400.82x = 50,151,811,785.66
  5. Step 5: Solve for x
    x = 50,151,811,785.66/198,400.82
  6. Step 6: Final answer
    x = 252,780.27

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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.