Finding the Fourth Proportional to 277,231.15, 382,578.71 and 149,906.44
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Solution
The fourth proportional to 277,231.15, 382,578.71 and 149,906.44 is: 206,870.74
Step by Step Solution
- Step 1: Write the proportion equation
277,231.15 : 382,578.71 = 149,906.44 : x - Step 2: Convert to fraction form
277,231.15/382,578.71 = 149,906.44/x - Step 3: Cross multiply
277,231.15x = 382,578.71 × 149,906.44 - Step 4: Simplify right side
277,231.15x = 57,351,011,854.21 - Step 5: Solve for x
x = 57,351,011,854.21/277,231.15 - Step 6: Final answer
x = 206,870.74
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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.