Finding the Fourth Proportional to 198,751.75, 274,252.48 and 134,361.09
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Solution
The fourth proportional to 198,751.75, 274,252.48 and 134,361.09 is: 185,401.45
Step by Step Solution
- Step 1: Write the proportion equation
198,751.75 : 274,252.48 = 134,361.09 : x - Step 2: Convert to fraction form
198,751.75/274,252.48 = 134,361.09/x - Step 3: Cross multiply
198,751.75x = 274,252.48 × 134,361.09 - Step 4: Simplify right side
198,751.75x = 36,848,861,812.10 - Step 5: Solve for x
x = 36,848,861,812.10/198,751.75 - Step 6: Final answer
x = 185,401.45
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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.