Home / 285,557.65-394,069.56-158,233.24

Finding the Fourth Proportional to 285,557.65, 394,069.56 and 158,233.24

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Solution

The fourth proportional to 285,557.65, 394,069.56 and 158,233.24 is: 218,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,557.65 : 394,069.56 = 158,233.24 : x
  2. Step 2: Convert to fraction form
    285,557.65/394,069.56 = 158,233.24/x
  3. Step 3: Cross multiply
    285,557.65x = 394,069.56 × 158,233.24
  4. Step 4: Simplify right side
    285,557.65x = 62,354,903,163.39
  5. Step 5: Solve for x
    x = 62,354,903,163.39/285,557.65
  6. Step 6: Final answer
    x = 218,361.87

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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.