Home / 263,077.77-394,493.96-136,684.02

Finding the Fourth Proportional to 263,077.77, 394,493.96 and 136,684.02

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Solution

The fourth proportional to 263,077.77, 394,493.96 and 136,684.02 is: 204,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,077.77 : 394,493.96 = 136,684.02 : x
  2. Step 2: Convert to fraction form
    263,077.77/394,493.96 = 136,684.02/x
  3. Step 3: Cross multiply
    263,077.77x = 394,493.96 × 136,684.02
  4. Step 4: Simplify right side
    263,077.77x = 53,921,022,139.58
  5. Step 5: Solve for x
    x = 53,921,022,139.58/263,077.77
  6. Step 6: Final answer
    x = 204,962.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.