Finding the Fourth Proportional to 198,468.44, 273,826.11 and 112,413.75
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Solution
The fourth proportional to 198,468.44, 273,826.11 and 112,413.75 is: 155,096.80
Step by Step Solution
- Step 1: Write the proportion equation
198,468.44 : 273,826.11 = 112,413.75 : x - Step 2: Convert to fraction form
198,468.44/273,826.11 = 112,413.75/x - Step 3: Cross multiply
198,468.44x = 273,826.11 × 112,413.75 - Step 4: Simplify right side
198,468.44x = 30,781,819,247.44 - Step 5: Solve for x
x = 30,781,819,247.44/198,468.44 - Step 6: Final answer
x = 155,096.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.