Finding the Fourth Proportional to 201,205.29, 277,583.74 and 129,627.06
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Solution
The fourth proportional to 201,205.29, 277,583.74 and 129,627.06 is: 178,834.09
Step by Step Solution
- Step 1: Write the proportion equation
201,205.29 : 277,583.74 = 129,627.06 : x - Step 2: Convert to fraction form
201,205.29/277,583.74 = 129,627.06/x - Step 3: Cross multiply
201,205.29x = 277,583.74 × 129,627.06 - Step 4: Simplify right side
201,205.29x = 35,982,364,120.00 - Step 5: Solve for x
x = 35,982,364,120.00/201,205.29 - Step 6: Final answer
x = 178,834.09
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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.