Home / 286,166.73-394,909.77-158,842.02

Finding the Fourth Proportional to 286,166.73, 394,909.77 and 158,842.02

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Solution

The fourth proportional to 286,166.73, 394,909.77 and 158,842.02 is: 219,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,166.73 : 394,909.77 = 158,842.02 : x
  2. Step 2: Convert to fraction form
    286,166.73/394,909.77 = 158,842.02/x
  3. Step 3: Cross multiply
    286,166.73x = 394,909.77 × 158,842.02
  4. Step 4: Simplify right side
    286,166.73x = 62,728,265,584.54
  5. Step 5: Solve for x
    x = 62,728,265,584.54/286,166.73
  6. Step 6: Final answer
    x = 219,201.81

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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.