Finding the Fourth Proportional to 132,571.18, 198,887.91 and 43,824.68
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Solution
The fourth proportional to 132,571.18, 198,887.91 and 43,824.68 is: 65,747.31
Step by Step Solution
- Step 1: Write the proportion equation
132,571.18 : 198,887.91 = 43,824.68 : x - Step 2: Convert to fraction form
132,571.18/198,887.91 = 43,824.68/x - Step 3: Cross multiply
132,571.18x = 198,887.91 × 43,824.68 - Step 4: Simplify right side
132,571.18x = 8,716,198,017.18 - Step 5: Solve for x
x = 8,716,198,017.18/132,571.18 - Step 6: Final answer
x = 65,747.31
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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.