Finding the Fourth Proportional to 198,099.06, 273,375.08 and 107,454.80
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Solution
The fourth proportional to 198,099.06, 273,375.08 and 107,454.80 is: 148,286.74
Step by Step Solution
- Step 1: Write the proportion equation
198,099.06 : 273,375.08 = 107,454.80 : x - Step 2: Convert to fraction form
198,099.06/273,375.08 = 107,454.80/x - Step 3: Cross multiply
198,099.06x = 273,375.08 × 107,454.80 - Step 4: Simplify right side
198,099.06x = 29,375,464,546.38 - Step 5: Solve for x
x = 29,375,464,546.38/198,099.06 - Step 6: Final answer
x = 148,286.74
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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.