Finding the Fourth Proportional to 132,450.09, 198,568.15 and 43,648.17
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Solution
The fourth proportional to 132,450.09, 198,568.15 and 43,648.17 is: 65,436.99
Step by Step Solution
- Step 1: Write the proportion equation
132,450.09 : 198,568.15 = 43,648.17 : x - Step 2: Convert to fraction form
132,450.09/198,568.15 = 43,648.17/x - Step 3: Cross multiply
132,450.09x = 198,568.15 × 43,648.17 - Step 4: Simplify right side
132,450.09x = 8,667,135,156.70 - Step 5: Solve for x
x = 8,667,135,156.70/132,450.09 - Step 6: Final answer
x = 65,436.99
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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.