Finding the Fourth Proportional to 205,805.97, 308,708.97 and 135,668.88
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Solution
The fourth proportional to 205,805.97, 308,708.97 and 135,668.88 is: 203,503.33
Step by Step Solution
- Step 1: Write the proportion equation
205,805.97 : 308,708.97 = 135,668.88 : x - Step 2: Convert to fraction form
205,805.97/308,708.97 = 135,668.88/x - Step 3: Cross multiply
205,805.97x = 308,708.97 × 135,668.88 - Step 4: Simplify right side
205,805.97x = 41,882,200,205.85 - Step 5: Solve for x
x = 41,882,200,205.85/205,805.97 - Step 6: Final answer
x = 203,503.33
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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.