Finding the Fourth Proportional to 198,400.92, 273,750.67 and 117,855.60
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Solution
The fourth proportional to 198,400.92, 273,750.67 and 117,855.60 is: 162,615.42
Step by Step Solution
- Step 1: Write the proportion equation
198,400.92 : 273,750.67 = 117,855.60 : x - Step 2: Convert to fraction form
198,400.92/273,750.67 = 117,855.60/x - Step 3: Cross multiply
198,400.92x = 273,750.67 × 117,855.60 - Step 4: Simplify right side
198,400.92x = 32,263,049,463.25 - Step 5: Solve for x
x = 32,263,049,463.25/198,400.92 - Step 6: Final answer
x = 162,615.42
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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.