Finding the Fourth Proportional to 490,251.29, 676,473.12 and 275,350.19
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Solution
The fourth proportional to 490,251.29, 676,473.12 and 275,350.19 is: 379,941.89
Step by Step Solution
- Step 1: Write the proportion equation
490,251.29 : 676,473.12 = 275,350.19 : x - Step 2: Convert to fraction form
490,251.29/676,473.12 = 275,350.19/x - Step 3: Cross multiply
490,251.29x = 676,473.12 × 275,350.19 - Step 4: Simplify right side
490,251.29x = 186,266,998,739.53 - Step 5: Solve for x
x = 186,266,998,739.53/490,251.29 - Step 6: Final answer
x = 379,941.89
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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.