Finding the Fourth Proportional to 132,578.26, 198,841.47 and 49,455.70
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Solution
The fourth proportional to 132,578.26, 198,841.47 and 49,455.70 is: 74,173.88
Step by Step Solution
- Step 1: Write the proportion equation
132,578.26 : 198,841.47 = 49,455.70 : x - Step 2: Convert to fraction form
132,578.26/198,841.47 = 49,455.70/x - Step 3: Cross multiply
132,578.26x = 198,841.47 × 49,455.70 - Step 4: Simplify right side
132,578.26x = 9,833,844,087.88 - Step 5: Solve for x
x = 9,833,844,087.88/132,578.26 - Step 6: Final answer
x = 74,173.88
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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.