Finding the Fourth Proportional to 198,373.29, 273,754.29 and 107,728.62
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Solution
The fourth proportional to 198,373.29, 273,754.29 and 107,728.62 is: 148,665.03
Step by Step Solution
- Step 1: Write the proportion equation
198,373.29 : 273,754.29 = 107,728.62 : x - Step 2: Convert to fraction form
198,373.29/273,754.29 = 107,728.62/x - Step 3: Cross multiply
198,373.29x = 273,754.29 × 107,728.62 - Step 4: Simplify right side
198,373.29x = 29,491,171,880.78 - Step 5: Solve for x
x = 29,491,171,880.78/198,373.29 - Step 6: Final answer
x = 148,665.03
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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.