Finding the Fourth Proportional to 136,313.07, 204,453.97 and 36,481.06
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Solution
The fourth proportional to 136,313.07, 204,453.97 and 36,481.06 is: 54,717.40
Step by Step Solution
- Step 1: Write the proportion equation
136,313.07 : 204,453.97 = 36,481.06 : x - Step 2: Convert to fraction form
136,313.07/204,453.97 = 36,481.06/x - Step 3: Cross multiply
136,313.07x = 204,453.97 × 36,481.06 - Step 4: Simplify right side
136,313.07x = 7,458,696,342.13 - Step 5: Solve for x
x = 7,458,696,342.13/136,313.07 - Step 6: Final answer
x = 54,717.40
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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.