Home / 303,934.98-419,428.33-167,976.79

Finding the Fourth Proportional to 303,934.98, 419,428.33 and 167,976.79

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Solution

The fourth proportional to 303,934.98, 419,428.33 and 167,976.79 is: 231,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,934.98 : 419,428.33 = 167,976.79 : x
  2. Step 2: Convert to fraction form
    303,934.98/419,428.33 = 167,976.79/x
  3. Step 3: Cross multiply
    303,934.98x = 419,428.33 × 167,976.79
  4. Step 4: Simplify right side
    303,934.98x = 70,454,223,039.95
  5. Step 5: Solve for x
    x = 70,454,223,039.95/303,934.98
  6. Step 6: Final answer
    x = 231,806.89

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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.