Finding the Fourth Proportional to 363,891.08, 543,277.96 and 278,052.70
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Solution
The fourth proportional to 363,891.08, 543,277.96 and 278,052.70 is: 415,123.95
Step by Step Solution
- Step 1: Write the proportion equation
363,891.08 : 543,277.96 = 278,052.70 : x - Step 2: Convert to fraction form
363,891.08/543,277.96 = 278,052.70/x - Step 3: Cross multiply
363,891.08x = 543,277.96 × 278,052.70 - Step 4: Simplify right side
363,891.08x = 151,059,903,375.84 - Step 5: Solve for x
x = 151,059,903,375.84/363,891.08 - Step 6: Final answer
x = 415,123.95
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.