Home / 303,815.14-419,273.35-167,857.85

Finding the Fourth Proportional to 303,815.14, 419,273.35 and 167,857.85

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Solution

The fourth proportional to 303,815.14, 419,273.35 and 167,857.85 is: 231,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,815.14 : 419,273.35 = 167,857.85 : x
  2. Step 2: Convert to fraction form
    303,815.14/419,273.35 = 167,857.85/x
  3. Step 3: Cross multiply
    303,815.14x = 419,273.35 × 167,857.85
  4. Step 4: Simplify right side
    303,815.14x = 70,378,323,721.84
  5. Step 5: Solve for x
    x = 70,378,323,721.84/303,815.14
  6. Step 6: Final answer
    x = 231,648.51

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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.