Finding the Fourth Proportional to 275,761.73, 380,586.74 and 154,902.98
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Solution
The fourth proportional to 275,761.73, 380,586.74 and 154,902.98 is: 213,786.08
Step by Step Solution
- Step 1: Write the proportion equation
275,761.73 : 380,586.74 = 154,902.98 : x - Step 2: Convert to fraction form
275,761.73/380,586.74 = 154,902.98/x - Step 3: Cross multiply
275,761.73x = 380,586.74 × 154,902.98 - Step 4: Simplify right side
275,761.73x = 58,954,020,351.44 - Step 5: Solve for x
x = 58,954,020,351.44/275,761.73 - Step 6: Final answer
x = 213,786.08
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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.