Finding the Fourth Proportional to 227,346.75, 313,748.28 and 126,744.75
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Solution
The fourth proportional to 227,346.75, 313,748.28 and 126,744.75 is: 174,913.20
Step by Step Solution
- Step 1: Write the proportion equation
227,346.75 : 313,748.28 = 126,744.75 : x - Step 2: Convert to fraction form
227,346.75/313,748.28 = 126,744.75/x - Step 3: Cross multiply
227,346.75x = 313,748.28 × 126,744.75 - Step 4: Simplify right side
227,346.75x = 39,765,947,311.53 - Step 5: Solve for x
x = 39,765,947,311.53/227,346.75 - Step 6: Final answer
x = 174,913.20
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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.