Finding the Fourth Proportional to 222,796.28, 307,458.84 and 122,194.28
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Solution
The fourth proportional to 222,796.28, 307,458.84 and 122,194.28 is: 168,628.09
Step by Step Solution
- Step 1: Write the proportion equation
222,796.28 : 307,458.84 = 122,194.28 : x - Step 2: Convert to fraction form
222,796.28/307,458.84 = 122,194.28/x - Step 3: Cross multiply
222,796.28x = 307,458.84 × 122,194.28 - Step 4: Simplify right side
222,796.28x = 37,569,711,583.44 - Step 5: Solve for x
x = 37,569,711,583.44/222,796.28 - Step 6: Final answer
x = 168,628.09
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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.