Finding the Fourth Proportional to 201,207.29, 277,586.50 and 129,629.06
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Solution
The fourth proportional to 201,207.29, 277,586.50 and 129,629.06 is: 178,836.85
Step by Step Solution
- Step 1: Write the proportion equation
201,207.29 : 277,586.50 = 129,629.06 : x - Step 2: Convert to fraction form
201,207.29/277,586.50 = 129,629.06/x - Step 3: Cross multiply
201,207.29x = 277,586.50 × 129,629.06 - Step 4: Simplify right side
201,207.29x = 35,983,277,063.69 - Step 5: Solve for x
x = 35,983,277,063.69/201,207.29 - Step 6: Final answer
x = 178,836.85
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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.