Finding the Fourth Proportional to 222,192.24, 306,617.68 and 126,729.68
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Solution
The fourth proportional to 222,192.24, 306,617.68 and 126,729.68 is: 174,882.62
Step by Step Solution
- Step 1: Write the proportion equation
222,192.24 : 306,617.68 = 126,729.68 : x - Step 2: Convert to fraction form
222,192.24/306,617.68 = 126,729.68/x - Step 3: Cross multiply
222,192.24x = 306,617.68 × 126,729.68 - Step 4: Simplify right side
222,192.24x = 38,857,560,468.74 - Step 5: Solve for x
x = 38,857,560,468.74/222,192.24 - Step 6: Final answer
x = 174,882.62
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1.5x scale
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.