Home / 263,211.40-394,817.10-161,734.60

Finding the Fourth Proportional to 263,211.40, 394,817.10 and 161,734.60

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Solution

The fourth proportional to 263,211.40, 394,817.10 and 161,734.60 is: 242,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,211.40 : 394,817.10 = 161,734.60 : x
  2. Step 2: Convert to fraction form
    263,211.40/394,817.10 = 161,734.60/x
  3. Step 3: Cross multiply
    263,211.40x = 394,817.10 × 161,734.60
  4. Step 4: Simplify right side
    263,211.40x = 63,855,585,741.66
  5. Step 5: Solve for x
    x = 63,855,585,741.66/263,211.40
  6. Step 6: Final answer
    x = 242,601.90

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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.