Home / 285,917.45-394,566.47-158,593.04

Finding the Fourth Proportional to 285,917.45, 394,566.47 and 158,593.04

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Solution

The fourth proportional to 285,917.45, 394,566.47 and 158,593.04 is: 218,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,917.45 : 394,566.47 = 158,593.04 : x
  2. Step 2: Convert to fraction form
    285,917.45/394,566.47 = 158,593.04/x
  3. Step 3: Cross multiply
    285,917.45x = 394,566.47 × 158,593.04
  4. Step 4: Simplify right side
    285,917.45x = 62,575,494,821.88
  5. Step 5: Solve for x
    x = 62,575,494,821.88/285,917.45
  6. Step 6: Final answer
    x = 218,858.61

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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.