Finding the Fourth Proportional to 441,349.20, 661,505.36 and 204,190.96
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Solution
The fourth proportional to 441,349.20, 661,505.36 and 204,190.96 is: 306,046.58
Step by Step Solution
- Step 1: Write the proportion equation
441,349.20 : 661,505.36 = 204,190.96 : x - Step 2: Convert to fraction form
441,349.20/661,505.36 = 204,190.96/x - Step 3: Cross multiply
441,349.20x = 661,505.36 × 204,190.96 - Step 4: Simplify right side
441,349.20x = 135,073,414,503.55 - Step 5: Solve for x
x = 135,073,414,503.55/441,349.20 - Step 6: Final answer
x = 306,046.58
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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.