Finding the Fourth Proportional to 209,571.63, 289,197.12 and 114,072.63
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Solution
The fourth proportional to 209,571.63, 289,197.12 and 114,072.63 is: 157,413.84
Step by Step Solution
- Step 1: Write the proportion equation
209,571.63 : 289,197.12 = 114,072.63 : x - Step 2: Convert to fraction form
209,571.63/289,197.12 = 114,072.63/x - Step 3: Cross multiply
209,571.63x = 289,197.12 × 114,072.63 - Step 4: Simplify right side
209,571.63x = 32,989,476,066.83 - Step 5: Solve for x
x = 32,989,476,066.83/209,571.63 - Step 6: Final answer
x = 157,413.84
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1.5x scale
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.