Finding the Fourth Proportional to 227,172.12, 313,499.70 and 125,201.28
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Solution
The fourth proportional to 227,172.12, 313,499.70 and 125,201.28 is: 172,778.96
Step by Step Solution
- Step 1: Write the proportion equation
227,172.12 : 313,499.70 = 125,201.28 : x - Step 2: Convert to fraction form
227,172.12/313,499.70 = 125,201.28/x - Step 3: Cross multiply
227,172.12x = 313,499.70 × 125,201.28 - Step 4: Simplify right side
227,172.12x = 39,250,563,719.62 - Step 5: Solve for x
x = 39,250,563,719.62/227,172.12 - Step 6: Final answer
x = 172,778.96
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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.