Finding the Fourth Proportional to 327,074.73, 451,348.29 and 191,121.09
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Solution
The fourth proportional to 327,074.73, 451,348.29 and 191,121.09 is: 263,738.43
Step by Step Solution
- Step 1: Write the proportion equation
327,074.73 : 451,348.29 = 191,121.09 : x - Step 2: Convert to fraction form
327,074.73/451,348.29 = 191,121.09/x - Step 3: Cross multiply
327,074.73x = 451,348.29 × 191,121.09 - Step 4: Simplify right side
327,074.73x = 86,262,177,154.44 - Step 5: Solve for x
x = 86,262,177,154.44/327,074.73 - Step 6: Final answer
x = 263,738.43
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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.