Home / 303,857.03-419,311.42-167,888.05

Finding the Fourth Proportional to 303,857.03, 419,311.42 and 167,888.05

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Solution

The fourth proportional to 303,857.03, 419,311.42 and 167,888.05 is: 231,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,857.03 : 419,311.42 = 167,888.05 : x
  2. Step 2: Convert to fraction form
    303,857.03/419,311.42 = 167,888.05/x
  3. Step 3: Cross multiply
    303,857.03x = 419,311.42 × 167,888.05
  4. Step 4: Simplify right side
    303,857.03x = 70,397,375,178.53
  5. Step 5: Solve for x
    x = 70,397,375,178.53/303,857.03
  6. Step 6: Final answer
    x = 231,679.27

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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.