Finding the Fourth Proportional to 227,272.42, 313,640.69 and 125,302.18
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Solution
The fourth proportional to 227,272.42, 313,640.69 and 125,302.18 is: 172,919.63
Step by Step Solution
- Step 1: Write the proportion equation
227,272.42 : 313,640.69 = 125,302.18 : x - Step 2: Convert to fraction form
227,272.42/313,640.69 = 125,302.18/x - Step 3: Cross multiply
227,272.42x = 313,640.69 × 125,302.18 - Step 4: Simplify right side
227,272.42x = 39,299,863,222.42 - Step 5: Solve for x
x = 39,299,863,222.42/227,272.42 - Step 6: Final answer
x = 172,919.63
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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.