Finding the Fourth Proportional to 488,716.27, 674,446.70 and 273,848.38
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Solution
The fourth proportional to 488,716.27, 674,446.70 and 273,848.38 is: 377,920.99
Step by Step Solution
- Step 1: Write the proportion equation
488,716.27 : 674,446.70 = 273,848.38 : x - Step 2: Convert to fraction form
488,716.27/674,446.70 = 273,848.38/x - Step 3: Cross multiply
488,716.27x = 674,446.70 × 273,848.38 - Step 4: Simplify right side
488,716.27x = 184,696,135,189.85 - Step 5: Solve for x
x = 184,696,135,189.85/488,716.27 - Step 6: Final answer
x = 377,920.99
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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.