Finding the Fourth Proportional to 198,850.48, 274,410.66 and 108,207.34
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Solution
The fourth proportional to 198,850.48, 274,410.66 and 108,207.34 is: 149,324.50
Step by Step Solution
- Step 1: Write the proportion equation
198,850.48 : 274,410.66 = 108,207.34 : x - Step 2: Convert to fraction form
198,850.48/274,410.66 = 108,207.34/x - Step 3: Cross multiply
198,850.48x = 274,410.66 × 108,207.34 - Step 4: Simplify right side
198,850.48x = 29,693,247,586.24 - Step 5: Solve for x
x = 29,693,247,586.24/198,850.48 - Step 6: Final answer
x = 149,324.50
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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.