Finding the Fourth Proportional to 218,223.68, 327,324.97 and 76,063.20
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Solution
The fourth proportional to 218,223.68, 327,324.97 and 76,063.20 is: 114,091.12
Step by Step Solution
- Step 1: Write the proportion equation
218,223.68 : 327,324.97 = 76,063.20 : x - Step 2: Convert to fraction form
218,223.68/327,324.97 = 76,063.20/x - Step 3: Cross multiply
218,223.68x = 327,324.97 × 76,063.20 - Step 4: Simplify right side
218,223.68x = 24,897,384,658.10 - Step 5: Solve for x
x = 24,897,384,658.10/218,223.68 - Step 6: Final answer
x = 114,091.12
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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.