Finding the Fourth Proportional to 201,222.47, 277,571.38 and 125,639.75
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Solution
The fourth proportional to 201,222.47, 277,571.38 and 125,639.75 is: 173,310.66
Step by Step Solution
- Step 1: Write the proportion equation
201,222.47 : 277,571.38 = 125,639.75 : x - Step 2: Convert to fraction form
201,222.47/277,571.38 = 125,639.75/x - Step 3: Cross multiply
201,222.47x = 277,571.38 × 125,639.75 - Step 4: Simplify right side
201,222.47x = 34,873,998,790.36 - Step 5: Solve for x
x = 34,873,998,790.36/201,222.47 - Step 6: Final answer
x = 173,310.66
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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.