Finding the Fourth Proportional to 235,668.26, 353,557.74 and 77,896.70
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Solution
The fourth proportional to 235,668.26, 353,557.74 and 77,896.70 is: 116,863.35
Step by Step Solution
- Step 1: Write the proportion equation
235,668.26 : 353,557.74 = 77,896.70 : x - Step 2: Convert to fraction form
235,668.26/353,557.74 = 77,896.70/x - Step 3: Cross multiply
235,668.26x = 353,557.74 × 77,896.70 - Step 4: Simplify right side
235,668.26x = 27,540,981,205.46 - Step 5: Solve for x
x = 27,540,981,205.46/235,668.26 - Step 6: Final answer
x = 116,863.35
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1.5x scale
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.