Finding the Fourth Proportional to 324,192.19, 447,392.27 and 178,997.49
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Solution
The fourth proportional to 324,192.19, 447,392.27 and 178,997.49 is: 247,020.43
Step by Step Solution
- Step 1: Write the proportion equation
324,192.19 : 447,392.27 = 178,997.49 : x - Step 2: Convert to fraction form
324,192.19/447,392.27 = 178,997.49/x - Step 3: Cross multiply
324,192.19x = 447,392.27 × 178,997.49 - Step 4: Simplify right side
324,192.19x = 80,082,093,375.40 - Step 5: Solve for x
x = 80,082,093,375.40/324,192.19 - Step 6: Final answer
x = 247,020.43
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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.