Finding the Fourth Proportional to 328,836.11, 491,828.96 and 193,577.75
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Solution
The fourth proportional to 328,836.11, 491,828.96 and 193,577.75 is: 289,527.65
Step by Step Solution
- Step 1: Write the proportion equation
328,836.11 : 491,828.96 = 193,577.75 : x - Step 2: Convert to fraction form
328,836.11/491,828.96 = 193,577.75/x - Step 3: Cross multiply
328,836.11x = 491,828.96 × 193,577.75 - Step 4: Simplify right side
328,836.11x = 95,207,143,330.80 - Step 5: Solve for x
x = 95,207,143,330.80/328,836.11 - Step 6: Final answer
x = 289,527.65
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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.