Finding the Fourth Proportional to 222,042.14, 306,425.44 and 121,440.14
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Solution
The fourth proportional to 222,042.14, 306,425.44 and 121,440.14 is: 167,591.38
Step by Step Solution
- Step 1: Write the proportion equation
222,042.14 : 306,425.44 = 121,440.14 : x - Step 2: Convert to fraction form
222,042.14/306,425.44 = 121,440.14/x - Step 3: Cross multiply
222,042.14x = 306,425.44 × 121,440.14 - Step 4: Simplify right side
222,042.14x = 37,212,348,333.16 - Step 5: Solve for x
x = 37,212,348,333.16/222,042.14 - Step 6: Final answer
x = 167,591.38
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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.