Finding the Fourth Proportional to 198,399.33, 273,793.05 and 107,757.08
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Solution
The fourth proportional to 198,399.33, 273,793.05 and 107,757.08 is: 148,705.84
Step by Step Solution
- Step 1: Write the proportion equation
198,399.33 : 273,793.05 = 107,757.08 : x - Step 2: Convert to fraction form
198,399.33/273,793.05 = 107,757.08/x - Step 3: Cross multiply
198,399.33x = 273,793.05 × 107,757.08 - Step 4: Simplify right side
198,399.33x = 29,503,138,223.33 - Step 5: Solve for x
x = 29,503,138,223.33/198,399.33 - Step 6: Final answer
x = 148,705.84
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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.