Finding the Fourth Proportional to 227,161.87, 313,497.08 and 125,187.06
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Solution
The fourth proportional to 227,161.87, 313,497.08 and 125,187.06 is: 172,765.69
Step by Step Solution
- Step 1: Write the proportion equation
227,161.87 : 313,497.08 = 125,187.06 : x - Step 2: Convert to fraction form
227,161.87/313,497.08 = 125,187.06/x - Step 3: Cross multiply
227,161.87x = 313,497.08 × 125,187.06 - Step 4: Simplify right side
227,161.87x = 39,245,777,763.78 - Step 5: Solve for x
x = 39,245,777,763.78/227,161.87 - Step 6: Final answer
x = 172,765.69
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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.