Finding the Fourth Proportional to 195,791.80, 293,687.70 and 133,583.80
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Solution
The fourth proportional to 195,791.80, 293,687.70 and 133,583.80 is: 200,375.70
Step by Step Solution
- Step 1: Write the proportion equation
195,791.80 : 293,687.70 = 133,583.80 : x - Step 2: Convert to fraction form
195,791.80/293,687.70 = 133,583.80/x - Step 3: Cross multiply
195,791.80x = 293,687.70 × 133,583.80 - Step 4: Simplify right side
195,791.80x = 39,231,918,979.26 - Step 5: Solve for x
x = 39,231,918,979.26/195,791.80 - Step 6: Final answer
x = 200,375.70
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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.