Finding the Fourth Proportional to 777,286.44, 1,165,960.38 and 216,369.96
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Solution
The fourth proportional to 777,286.44, 1,165,960.38 and 216,369.96 is: 324,563.49
Step by Step Solution
- Step 1: Write the proportion equation
777,286.44 : 1,165,960.38 = 216,369.96 : x - Step 2: Convert to fraction form
777,286.44/1,165,960.38 = 216,369.96/x - Step 3: Cross multiply
777,286.44x = 1,165,960.38 × 216,369.96 - Step 4: Simplify right side
777,286.44x = 252,278,800,782.19 - Step 5: Solve for x
x = 252,278,800,782.19/777,286.44 - Step 6: Final answer
x = 324,563.49
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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.