Finding the Fourth Proportional to 227,135.70, 313,461.21 and 125,161.10
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Solution
The fourth proportional to 227,135.70, 313,461.21 and 125,161.10 is: 172,730.01
Step by Step Solution
- Step 1: Write the proportion equation
227,135.70 : 313,461.21 = 125,161.10 : x - Step 2: Convert to fraction form
227,135.70/313,461.21 = 125,161.10/x - Step 3: Cross multiply
227,135.70x = 313,461.21 × 125,161.10 - Step 4: Simplify right side
227,135.70x = 39,233,150,987.65 - Step 5: Solve for x
x = 39,233,150,987.65/227,135.70 - Step 6: Final answer
x = 172,730.01
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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.