Finding the Fourth Proportional to 154,450.44, 231,709.68 and 87,921.96
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Solution
The fourth proportional to 154,450.44, 231,709.68 and 87,921.96 is: 131,902.31
Step by Step Solution
- Step 1: Write the proportion equation
154,450.44 : 231,709.68 = 87,921.96 : x - Step 2: Convert to fraction form
154,450.44/231,709.68 = 87,921.96/x - Step 3: Cross multiply
154,450.44x = 231,709.68 × 87,921.96 - Step 4: Simplify right side
154,450.44x = 20,372,369,216.57 - Step 5: Solve for x
x = 20,372,369,216.57/154,450.44 - Step 6: Final answer
x = 131,902.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.