Finding the Fourth Proportional to 227,175.91, 313,503.02 and 131,738.07
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Solution
The fourth proportional to 227,175.91, 313,503.02 and 131,738.07 is: 181,798.69
Step by Step Solution
- Step 1: Write the proportion equation
227,175.91 : 313,503.02 = 131,738.07 : x - Step 2: Convert to fraction form
227,175.91/313,503.02 = 131,738.07/x - Step 3: Cross multiply
227,175.91x = 313,503.02 × 131,738.07 - Step 4: Simplify right side
227,175.91x = 41,300,282,793.97 - Step 5: Solve for x
x = 41,300,282,793.97/227,175.91 - Step 6: Final answer
x = 181,798.69
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1.5x scale
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.