Finding the Fourth Proportional to 631,486.44, 946,591.39 and 271,891.84
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Solution
The fourth proportional to 631,486.44, 946,591.39 and 271,891.84 is: 407,562.95
Step by Step Solution
- Step 1: Write the proportion equation
631,486.44 : 946,591.39 = 271,891.84 : x - Step 2: Convert to fraction form
631,486.44/946,591.39 = 271,891.84/x - Step 3: Cross multiply
631,486.44x = 946,591.39 × 271,891.84 - Step 4: Simplify right side
631,486.44x = 257,370,474,755.26 - Step 5: Solve for x
x = 257,370,474,755.26/631,486.44 - Step 6: Final answer
x = 407,562.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.