Finding the Fourth Proportional to 198,229.41, 273,558.56 and 107,586.18
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Solution
The fourth proportional to 198,229.41, 273,558.56 and 107,586.18 is: 148,470.00
Step by Step Solution
- Step 1: Write the proportion equation
198,229.41 : 273,558.56 = 107,586.18 : x - Step 2: Convert to fraction form
198,229.41/273,558.56 = 107,586.18/x - Step 3: Cross multiply
198,229.41x = 273,558.56 × 107,586.18 - Step 4: Simplify right side
198,229.41x = 29,431,119,938.77 - Step 5: Solve for x
x = 29,431,119,938.77/198,229.41 - Step 6: Final answer
x = 148,470.00
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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.