Finding the Fourth Proportional to 115,597.68, 173,534.76 and 68,872.56
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Solution
The fourth proportional to 115,597.68, 173,534.76 and 68,872.56 is: 103,391.20
Step by Step Solution
- Step 1: Write the proportion equation
115,597.68 : 173,534.76 = 68,872.56 : x - Step 2: Convert to fraction form
115,597.68/173,534.76 = 68,872.56/x - Step 3: Cross multiply
115,597.68x = 173,534.76 × 68,872.56 - Step 4: Simplify right side
115,597.68x = 11,951,783,170.19 - Step 5: Solve for x
x = 11,951,783,170.19/115,597.68 - Step 6: Final answer
x = 103,391.20
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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.