Finding the Fourth Proportional to 198,236.68, 297,413.34 and 79,847.08
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Solution
The fourth proportional to 198,236.68, 297,413.34 and 79,847.08 is: 119,794.11
Step by Step Solution
- Step 1: Write the proportion equation
198,236.68 : 297,413.34 = 79,847.08 : x - Step 2: Convert to fraction form
198,236.68/297,413.34 = 79,847.08/x - Step 3: Cross multiply
198,236.68x = 297,413.34 × 79,847.08 - Step 4: Simplify right side
198,236.68x = 23,747,586,752.05 - Step 5: Solve for x
x = 23,747,586,752.05/198,236.68 - Step 6: Final answer
x = 119,794.11
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1.5x scale
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.