Finding the Fourth Proportional to 222,859.28, 307,543.99 and 120,884.49
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Solution
The fourth proportional to 222,859.28, 307,543.99 and 120,884.49 is: 166,819.60
Step by Step Solution
- Step 1: Write the proportion equation
222,859.28 : 307,543.99 = 120,884.49 : x - Step 2: Convert to fraction form
222,859.28/307,543.99 = 120,884.49/x - Step 3: Cross multiply
222,859.28x = 307,543.99 × 120,884.49 - Step 4: Simplify right side
222,859.28x = 37,177,297,381.53 - Step 5: Solve for x
x = 37,177,297,381.53/222,859.28 - Step 6: Final answer
x = 166,819.60
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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.