Home / 263,084.96-394,504.74-136,691.22

Finding the Fourth Proportional to 263,084.96, 394,504.74 and 136,691.22

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Solution

The fourth proportional to 263,084.96, 394,504.74 and 136,691.22 is: 204,973.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,084.96 : 394,504.74 = 136,691.22 : x
  2. Step 2: Convert to fraction form
    263,084.96/394,504.74 = 136,691.22/x
  3. Step 3: Cross multiply
    263,084.96x = 394,504.74 × 136,691.22
  4. Step 4: Simplify right side
    263,084.96x = 53,925,334,206.38
  5. Step 5: Solve for x
    x = 53,925,334,206.38/263,084.96
  6. Step 6: Final answer
    x = 204,973.08

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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.