Finding the Fourth Proportional to 222,786.18, 307,464.38 and 122,203.62
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Solution
The fourth proportional to 222,786.18, 307,464.38 and 122,203.62 is: 168,651.66
Step by Step Solution
- Step 1: Write the proportion equation
222,786.18 : 307,464.38 = 122,203.62 : x - Step 2: Convert to fraction form
222,786.18/307,464.38 = 122,203.62/x - Step 3: Cross multiply
222,786.18x = 307,464.38 × 122,203.62 - Step 4: Simplify right side
222,786.18x = 37,573,260,414.70 - Step 5: Solve for x
x = 37,573,260,414.70/222,786.18 - Step 6: Final answer
x = 168,651.66
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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.