Finding the Fourth Proportional to 136,478.52, 204,747.72 and 41,716.56
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Solution
The fourth proportional to 136,478.52, 204,747.72 and 41,716.56 is: 62,583.99
Step by Step Solution
- Step 1: Write the proportion equation
136,478.52 : 204,747.72 = 41,716.56 : x - Step 2: Convert to fraction form
136,478.52/204,747.72 = 41,716.56/x - Step 3: Cross multiply
136,478.52x = 204,747.72 × 41,716.56 - Step 4: Simplify right side
136,478.52x = 8,541,370,546.24 - Step 5: Solve for x
x = 8,541,370,546.24/136,478.52 - Step 6: Final answer
x = 62,583.99
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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.