Finding the Fourth Proportional to 263,974.97, 395,941.79 and 74,427.68
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Solution
The fourth proportional to 263,974.97, 395,941.79 and 74,427.68 is: 111,635.69
Step by Step Solution
- Step 1: Write the proportion equation
263,974.97 : 395,941.79 = 74,427.68 : x - Step 2: Convert to fraction form
263,974.97/395,941.79 = 74,427.68/x - Step 3: Cross multiply
263,974.97x = 395,941.79 × 74,427.68 - Step 4: Simplify right side
263,974.97x = 29,469,026,492.90 - Step 5: Solve for x
x = 29,469,026,492.90/263,974.97 - Step 6: Final answer
x = 111,635.69
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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.