Finding the Fourth Proportional to 288,574.36, 398,231.78 and 161,250.08
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Solution
The fourth proportional to 288,574.36, 398,231.78 and 161,250.08 is: 222,524.64
Step by Step Solution
- Step 1: Write the proportion equation
288,574.36 : 398,231.78 = 161,250.08 : x - Step 2: Convert to fraction form
288,574.36/398,231.78 = 161,250.08/x - Step 3: Cross multiply
288,574.36x = 398,231.78 × 161,250.08 - Step 4: Simplify right side
288,574.36x = 64,214,906,383.54 - Step 5: Solve for x
x = 64,214,906,383.54/288,574.36 - Step 6: Final answer
x = 222,524.64
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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.