Finding the Fourth Proportional to 198,757.68, 274,295.16 and 113,874.96
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Solution
The fourth proportional to 198,757.68, 274,295.16 and 113,874.96 is: 157,152.92
Step by Step Solution
- Step 1: Write the proportion equation
198,757.68 : 274,295.16 = 113,874.96 : x - Step 2: Convert to fraction form
198,757.68/274,295.16 = 113,874.96/x - Step 3: Cross multiply
198,757.68x = 274,295.16 × 113,874.96 - Step 4: Simplify right side
198,757.68x = 31,235,350,373.19 - Step 5: Solve for x
x = 31,235,350,373.19/198,757.68 - Step 6: Final answer
x = 157,152.92
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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.