Finding the Fourth Proportional to 266,436.82, 367,685.39 and 145,578.09
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Solution
The fourth proportional to 266,436.82, 367,685.39 and 145,578.09 is: 200,899.18
Step by Step Solution
- Step 1: Write the proportion equation
266,436.82 : 367,685.39 = 145,578.09 : x - Step 2: Convert to fraction form
266,436.82/367,685.39 = 145,578.09/x - Step 3: Cross multiply
266,436.82x = 367,685.39 × 145,578.09 - Step 4: Simplify right side
266,436.82x = 53,526,936,891.60 - Step 5: Solve for x
x = 53,526,936,891.60/266,436.82 - Step 6: Final answer
x = 200,899.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.