Finding the Fourth Proportional to 198,102.80, 273,380.26 and 107,458.54
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Solution
The fourth proportional to 198,102.80, 273,380.26 and 107,458.54 is: 148,291.92
Step by Step Solution
- Step 1: Write the proportion equation
198,102.80 : 273,380.26 = 107,458.54 : x - Step 2: Convert to fraction form
198,102.80/273,380.26 = 107,458.54/x - Step 3: Cross multiply
198,102.80x = 273,380.26 × 107,458.54 - Step 4: Simplify right side
198,102.80x = 29,377,043,604.42 - Step 5: Solve for x
x = 29,377,043,604.42/198,102.80 - Step 6: Final answer
x = 148,291.92
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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.