Finding the Fourth Proportional to 198,591.97, 274,054.84 and 147,831.70
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Solution
The fourth proportional to 198,591.97, 274,054.84 and 147,831.70 is: 204,006.20
Step by Step Solution
- Step 1: Write the proportion equation
198,591.97 : 274,054.84 = 147,831.70 : x - Step 2: Convert to fraction form
198,591.97/274,054.84 = 147,831.70/x - Step 3: Cross multiply
198,591.97x = 274,054.84 × 147,831.70 - Step 4: Simplify right side
198,591.97x = 40,513,992,890.43 - Step 5: Solve for x
x = 40,513,992,890.43/198,591.97 - Step 6: Final answer
x = 204,006.20
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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.