Finding the Fourth Proportional to 235,639.73, 353,514.28 and 77,858.62
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Solution
The fourth proportional to 235,639.73, 353,514.28 and 77,858.62 is: 116,805.99
Step by Step Solution
- Step 1: Write the proportion equation
235,639.73 : 353,514.28 = 77,858.62 : x - Step 2: Convert to fraction form
235,639.73/353,514.28 = 77,858.62/x - Step 3: Cross multiply
235,639.73x = 353,514.28 × 77,858.62 - Step 4: Simplify right side
235,639.73x = 27,524,132,912.66 - Step 5: Solve for x
x = 27,524,132,912.66/235,639.73 - Step 6: Final answer
x = 116,805.99
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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.