Finding the Fourth Proportional to 115,808.58, 173,738.40 and 65,912.19
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Solution
The fourth proportional to 115,808.58, 173,738.40 and 65,912.19 is: 98,882.82
Step by Step Solution
- Step 1: Write the proportion equation
115,808.58 : 173,738.40 = 65,912.19 : x - Step 2: Convert to fraction form
115,808.58/173,738.40 = 65,912.19/x - Step 3: Cross multiply
115,808.58x = 173,738.40 × 65,912.19 - Step 4: Simplify right side
115,808.58x = 11,451,478,431.10 - Step 5: Solve for x
x = 11,451,478,431.10/115,808.58 - Step 6: Final answer
x = 98,882.82
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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.