Finding the Fourth Proportional to 277,063.97, 382,348.42 and 149,739.66
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Solution
The fourth proportional to 277,063.97, 382,348.42 and 149,739.66 is: 206,640.81
Step by Step Solution
- Step 1: Write the proportion equation
277,063.97 : 382,348.42 = 149,739.66 : x - Step 2: Convert to fraction form
277,063.97/382,348.42 = 149,739.66/x - Step 3: Cross multiply
277,063.97x = 382,348.42 × 149,739.66 - Step 4: Simplify right side
277,063.97x = 57,252,722,037.99 - Step 5: Solve for x
x = 57,252,722,037.99/277,063.97 - Step 6: Final answer
x = 206,640.81
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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.