Home / 285,620.48-394,111.68-164,766.32

Finding the Fourth Proportional to 285,620.48, 394,111.68 and 164,766.32

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Solution

The fourth proportional to 285,620.48, 394,111.68 and 164,766.32 is: 227,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,620.48 : 394,111.68 = 164,766.32 : x
  2. Step 2: Convert to fraction form
    285,620.48/394,111.68 = 164,766.32/x
  3. Step 3: Cross multiply
    285,620.48x = 394,111.68 × 164,766.32
  4. Step 4: Simplify right side
    285,620.48x = 64,936,331,182.62
  5. Step 5: Solve for x
    x = 64,936,331,182.62/285,620.48
  6. Step 6: Final answer
    x = 227,351.80

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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.