Finding the Fourth Proportional to 227,287.75, 313,671.18 and 125,313.02
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Solution
The fourth proportional to 227,287.75, 313,671.18 and 125,313.02 is: 172,939.74
Step by Step Solution
- Step 1: Write the proportion equation
227,287.75 : 313,671.18 = 125,313.02 : x - Step 2: Convert to fraction form
227,287.75/313,671.18 = 125,313.02/x - Step 3: Cross multiply
227,287.75x = 313,671.18 × 125,313.02 - Step 4: Simplify right side
227,287.75x = 39,307,083,480.30 - Step 5: Solve for x
x = 39,307,083,480.30/227,287.75 - Step 6: Final answer
x = 172,939.74
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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.