Finding the Fourth Proportional to 288,554.14, 398,203.88 and 161,229.84
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Solution
The fourth proportional to 288,554.14, 398,203.88 and 161,229.84 is: 222,496.71
Step by Step Solution
- Step 1: Write the proportion equation
288,554.14 : 398,203.88 = 161,229.84 : x - Step 2: Convert to fraction form
288,554.14/398,203.88 = 161,229.84/x - Step 3: Cross multiply
288,554.14x = 398,203.88 × 161,229.84 - Step 4: Simplify right side
288,554.14x = 64,202,346,164.98 - Step 5: Solve for x
x = 64,202,346,164.98/288,554.14 - Step 6: Final answer
x = 222,496.71
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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.