Finding the Fourth Proportional to 198,927.72, 274,523.76 and 108,286.29
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Solution
The fourth proportional to 198,927.72, 274,523.76 and 108,286.29 is: 149,436.99
Step by Step Solution
- Step 1: Write the proportion equation
198,927.72 : 274,523.76 = 108,286.29 : x - Step 2: Convert to fraction form
198,927.72/274,523.76 = 108,286.29/x - Step 3: Cross multiply
198,927.72x = 274,523.76 × 108,286.29 - Step 4: Simplify right side
198,927.72x = 29,727,159,487.25 - Step 5: Solve for x
x = 29,727,159,487.25/198,927.72 - Step 6: Final answer
x = 149,436.99
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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.