Home / 303,949.50-419,450.31-169,839.42

Finding the Fourth Proportional to 303,949.50, 419,450.31 and 169,839.42

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Solution

The fourth proportional to 303,949.50, 419,450.31 and 169,839.42 is: 234,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,949.50 : 419,450.31 = 169,839.42 : x
  2. Step 2: Convert to fraction form
    303,949.50/419,450.31 = 169,839.42/x
  3. Step 3: Cross multiply
    303,949.50x = 419,450.31 × 169,839.42
  4. Step 4: Simplify right side
    303,949.50x = 71,239,197,369.22
  5. Step 5: Solve for x
    x = 71,239,197,369.22/303,949.50
  6. Step 6: Final answer
    x = 234,378.40

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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.