Finding the Fourth Proportional to 115,310.82, 173,022.73 and 77,383.99
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Solution
The fourth proportional to 115,310.82, 173,022.73 and 77,383.99 is: 116,113.90
Step by Step Solution
- Step 1: Write the proportion equation
115,310.82 : 173,022.73 = 77,383.99 : x - Step 2: Convert to fraction form
115,310.82/173,022.73 = 77,383.99/x - Step 3: Cross multiply
115,310.82x = 173,022.73 × 77,383.99 - Step 4: Simplify right side
115,310.82x = 13,389,189,208.09 - Step 5: Solve for x
x = 13,389,189,208.09/115,310.82 - Step 6: Final answer
x = 116,113.90
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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.