Finding the Fourth Proportional to 198,912.06, 274,476.14 and 117,234.98
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Solution
The fourth proportional to 198,912.06, 274,476.14 and 117,234.98 is: 161,771.01
Step by Step Solution
- Step 1: Write the proportion equation
198,912.06 : 274,476.14 = 117,234.98 : x - Step 2: Convert to fraction form
198,912.06/274,476.14 = 117,234.98/x - Step 3: Cross multiply
198,912.06x = 274,476.14 × 117,234.98 - Step 4: Simplify right side
198,912.06x = 32,178,204,783.38 - Step 5: Solve for x
x = 32,178,204,783.38/198,912.06 - Step 6: Final answer
x = 161,771.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.