Home / 285,614.22-394,057.56-164,739.30

Finding the Fourth Proportional to 285,614.22, 394,057.56 and 164,739.30

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Solution

The fourth proportional to 285,614.22, 394,057.56 and 164,739.30 is: 227,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,614.22 : 394,057.56 = 164,739.30 : x
  2. Step 2: Convert to fraction form
    285,614.22/394,057.56 = 164,739.30/x
  3. Step 3: Cross multiply
    285,614.22x = 394,057.56 × 164,739.30
  4. Step 4: Simplify right side
    285,614.22x = 64,916,766,594.11
  5. Step 5: Solve for x
    x = 64,916,766,594.11/285,614.22
  6. Step 6: Final answer
    x = 227,288.29

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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.