Finding the Fourth Proportional to 288,577.49, 398,236.30 and 161,253.08
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Solution
The fourth proportional to 288,577.49, 398,236.30 and 161,253.08 is: 222,528.90
Step by Step Solution
- Step 1: Write the proportion equation
288,577.49 : 398,236.30 = 161,253.08 : x - Step 2: Convert to fraction form
288,577.49/398,236.30 = 161,253.08/x - Step 3: Cross multiply
288,577.49x = 398,236.30 × 161,253.08 - Step 4: Simplify right side
288,577.49x = 64,216,829,041.88 - Step 5: Solve for x
x = 64,216,829,041.88/288,577.49 - Step 6: Final answer
x = 222,528.90
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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.