Finding the Fourth Proportional to 441,581.84, 661,912.68 and 204,729.20
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Solution
The fourth proportional to 441,581.84, 661,912.68 and 204,729.20 is: 306,880.49
Step by Step Solution
- Step 1: Write the proportion equation
441,581.84 : 661,912.68 = 204,729.20 : x - Step 2: Convert to fraction form
441,581.84/661,912.68 = 204,729.20/x - Step 3: Cross multiply
441,581.84x = 661,912.68 × 204,729.20 - Step 4: Simplify right side
441,581.84x = 135,512,853,446.26 - Step 5: Solve for x
x = 135,512,853,446.26/441,581.84 - Step 6: Final answer
x = 306,880.49
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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.