Finding the Fourth Proportional to 198,668.73, 274,163.18 and 108,024.62
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Solution
The fourth proportional to 198,668.73, 274,163.18 and 108,024.62 is: 149,074.16
Step by Step Solution
- Step 1: Write the proportion equation
198,668.73 : 274,163.18 = 108,024.62 : x - Step 2: Convert to fraction form
198,668.73/274,163.18 = 108,024.62/x - Step 3: Cross multiply
198,668.73x = 274,163.18 × 108,024.62 - Step 4: Simplify right side
198,668.73x = 29,616,373,337.49 - Step 5: Solve for x
x = 29,616,373,337.49/198,668.73 - Step 6: Final answer
x = 149,074.16
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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.