Home / 303,836.12-419,258.09-167,861.96

Finding the Fourth Proportional to 303,836.12, 419,258.09 and 167,861.96

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Solution

The fourth proportional to 303,836.12, 419,258.09 and 167,861.96 is: 231,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,836.12 : 419,258.09 = 167,861.96 : x
  2. Step 2: Convert to fraction form
    303,836.12/419,258.09 = 167,861.96/x
  3. Step 3: Cross multiply
    303,836.12x = 419,258.09 × 167,861.96
  4. Step 4: Simplify right side
    303,836.12x = 70,377,481,797.66
  5. Step 5: Solve for x
    x = 70,377,481,797.66/303,836.12
  6. Step 6: Final answer
    x = 231,629.74

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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.