Finding the Fourth Proportional to 170,306.73, 255,504.97 and 84,942.65
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Solution
The fourth proportional to 170,306.73, 255,504.97 and 84,942.65 is: 127,436.36
Step by Step Solution
- Step 1: Write the proportion equation
170,306.73 : 255,504.97 = 84,942.65 : x - Step 2: Convert to fraction form
170,306.73/255,504.97 = 84,942.65/x - Step 3: Cross multiply
170,306.73x = 255,504.97 × 84,942.65 - Step 4: Simplify right side
170,306.73x = 21,703,269,239.97 - Step 5: Solve for x
x = 21,703,269,239.97/170,306.73 - Step 6: Final answer
x = 127,436.36
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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.