Finding the Fourth Proportional to 227,161.35, 313,481.21 and 125,187.62
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Solution
The fourth proportional to 227,161.35, 313,481.21 and 125,187.62 is: 172,758.11
Step by Step Solution
- Step 1: Write the proportion equation
227,161.35 : 313,481.21 = 125,187.62 : x - Step 2: Convert to fraction form
227,161.35/313,481.21 = 125,187.62/x - Step 3: Cross multiply
227,161.35x = 313,481.21 × 125,187.62 - Step 4: Simplify right side
227,161.35x = 39,243,964,401.28 - Step 5: Solve for x
x = 39,243,964,401.28/227,161.35 - Step 6: Final answer
x = 172,758.11
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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.