Finding the Fourth Proportional to 192,538.18, 288,745.82 and 66,147.94
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Solution
The fourth proportional to 192,538.18, 288,745.82 and 66,147.94 is: 99,200.80
Step by Step Solution
- Step 1: Write the proportion equation
192,538.18 : 288,745.82 = 66,147.94 : x - Step 2: Convert to fraction form
192,538.18/288,745.82 = 66,147.94/x - Step 3: Cross multiply
192,538.18x = 288,745.82 × 66,147.94 - Step 4: Simplify right side
192,538.18x = 19,099,941,176.61 - Step 5: Solve for x
x = 19,099,941,176.61/192,538.18 - Step 6: Final answer
x = 99,200.80
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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.