Finding the Fourth Proportional to 198,744.44, 274,276.92 and 113,861.70
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Solution
The fourth proportional to 198,744.44, 274,276.92 and 113,861.70 is: 157,134.64
Step by Step Solution
- Step 1: Write the proportion equation
198,744.44 : 274,276.92 = 113,861.70 : x - Step 2: Convert to fraction form
198,744.44/274,276.92 = 113,861.70/x - Step 3: Cross multiply
198,744.44x = 274,276.92 × 113,861.70 - Step 4: Simplify right side
198,744.44x = 31,229,636,381.96 - Step 5: Solve for x
x = 31,229,636,381.96/198,744.44 - Step 6: Final answer
x = 157,134.64
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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.