Home / 285,557.27-394,069.04-158,232.87

Finding the Fourth Proportional to 285,557.27, 394,069.04 and 158,232.87

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Solution

The fourth proportional to 285,557.27, 394,069.04 and 158,232.87 is: 218,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,557.27 : 394,069.04 = 158,232.87 : x
  2. Step 2: Convert to fraction form
    285,557.27/394,069.04 = 158,232.87/x
  3. Step 3: Cross multiply
    285,557.27x = 394,069.04 × 158,232.87
  4. Step 4: Simplify right side
    285,557.27x = 62,354,673,648.72
  5. Step 5: Solve for x
    x = 62,354,673,648.72/285,557.27
  6. Step 6: Final answer
    x = 218,361.36

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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.