Finding the Fourth Proportional to 222,392.92, 306,897.84 and 126,884.20
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Solution
The fourth proportional to 222,392.92, 306,897.84 and 126,884.20 is: 175,097.69
Step by Step Solution
- Step 1: Write the proportion equation
222,392.92 : 306,897.84 = 126,884.20 : x - Step 2: Convert to fraction form
222,392.92/306,897.84 = 126,884.20/x - Step 3: Cross multiply
222,392.92x = 306,897.84 × 126,884.20 - Step 4: Simplify right side
222,392.92x = 38,940,486,910.13 - Step 5: Solve for x
x = 38,940,486,910.13/222,392.92 - Step 6: Final answer
x = 175,097.69
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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.