Finding the Fourth Proportional to 201,190.24, 277,538.42 and 136,662.80
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Solution
The fourth proportional to 201,190.24, 277,538.42 and 136,662.80 is: 188,523.94
Step by Step Solution
- Step 1: Write the proportion equation
201,190.24 : 277,538.42 = 136,662.80 : x - Step 2: Convert to fraction form
201,190.24/277,538.42 = 136,662.80/x - Step 3: Cross multiply
201,190.24x = 277,538.42 × 136,662.80 - Step 4: Simplify right side
201,190.24x = 37,929,177,584.78 - Step 5: Solve for x
x = 37,929,177,584.78/201,190.24 - Step 6: Final answer
x = 188,523.94
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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.