Finding the Fourth Proportional to 288,521.44, 398,159.75 and 161,197.03
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Solution
The fourth proportional to 288,521.44, 398,159.75 and 161,197.03 is: 222,452.00
Step by Step Solution
- Step 1: Write the proportion equation
288,521.44 : 398,159.75 = 161,197.03 : x - Step 2: Convert to fraction form
288,521.44/398,159.75 = 161,197.03/x - Step 3: Cross multiply
288,521.44x = 398,159.75 × 161,197.03 - Step 4: Simplify right side
288,521.44x = 64,182,170,066.23 - Step 5: Solve for x
x = 64,182,170,066.23/288,521.44 - Step 6: Final answer
x = 222,452.00
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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.