Home / 285,623.19-394,144.83-164,757.29

Finding the Fourth Proportional to 285,623.19, 394,144.83 and 164,757.29

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Solution

The fourth proportional to 285,623.19, 394,144.83 and 164,757.29 is: 227,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,623.19 : 394,144.83 = 164,757.29 : x
  2. Step 2: Convert to fraction form
    285,623.19/394,144.83 = 164,757.29/x
  3. Step 3: Cross multiply
    285,623.19x = 394,144.83 × 164,757.29
  4. Step 4: Simplify right side
    285,623.19x = 64,938,232,087.59
  5. Step 5: Solve for x
    x = 64,938,232,087.59/285,623.19
  6. Step 6: Final answer
    x = 227,356.30

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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.