Home / 230,721.20-345,313.80-167,361.20

Finding the Fourth Proportional to 230,721.20, 345,313.80 and 167,361.20

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Solution

The fourth proportional to 230,721.20, 345,313.80 and 167,361.20 is: 250,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,721.20 : 345,313.80 = 167,361.20 : x
  2. Step 2: Convert to fraction form
    230,721.20/345,313.80 = 167,361.20/x
  3. Step 3: Cross multiply
    230,721.20x = 345,313.80 × 167,361.20
  4. Step 4: Simplify right side
    230,721.20x = 57,792,131,944.56
  5. Step 5: Solve for x
    x = 57,792,131,944.56/230,721.20
  6. Step 6: Final answer
    x = 250,484.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.