Home / 285,836.02-394,451.49-158,511.94

Finding the Fourth Proportional to 285,836.02, 394,451.49 and 158,511.94

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Solution

The fourth proportional to 285,836.02, 394,451.49 and 158,511.94 is: 218,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,836.02 : 394,451.49 = 158,511.94 : x
  2. Step 2: Convert to fraction form
    285,836.02/394,451.49 = 158,511.94/x
  3. Step 3: Cross multiply
    285,836.02x = 394,451.49 × 158,511.94
  4. Step 4: Simplify right side
    285,836.02x = 62,525,270,915.79
  5. Step 5: Solve for x
    x = 62,525,270,915.79/285,836.02
  6. Step 6: Final answer
    x = 218,745.25

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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.