Home / 198,929.88-298,115.22-169,230.36

Finding the Fourth Proportional to 198,929.88, 298,115.22 and 169,230.36

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Solution

The fourth proportional to 198,929.88, 298,115.22 and 169,230.36 is: 253,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,929.88 : 298,115.22 = 169,230.36 : x
  2. Step 2: Convert to fraction form
    198,929.88/298,115.22 = 169,230.36/x
  3. Step 3: Cross multiply
    198,929.88x = 298,115.22 × 169,230.36
  4. Step 4: Simplify right side
    198,929.88x = 50,450,146,002.08
  5. Step 5: Solve for x
    x = 50,450,146,002.08/198,929.88
  6. Step 6: Final answer
    x = 253,607.68

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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.