Home / 286,101.66-394,801.92-178,665.29

Finding the Fourth Proportional to 286,101.66, 394,801.92 and 178,665.29

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Solution

The fourth proportional to 286,101.66, 394,801.92 and 178,665.29 is: 246,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,101.66 : 394,801.92 = 178,665.29 : x
  2. Step 2: Convert to fraction form
    286,101.66/394,801.92 = 178,665.29/x
  3. Step 3: Cross multiply
    286,101.66x = 394,801.92 × 178,665.29
  4. Step 4: Simplify right side
    286,101.66x = 70,537,397,555.35
  5. Step 5: Solve for x
    x = 70,537,397,555.35/286,101.66
  6. Step 6: Final answer
    x = 246,546.62

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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.