Finding the Fourth Proportional to 288,161.28, 397,625.84 and 160,842.24
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Solution
The fourth proportional to 288,161.28, 397,625.84 and 160,842.24 is: 221,941.79
Step by Step Solution
- Step 1: Write the proportion equation
288,161.28 : 397,625.84 = 160,842.24 : x - Step 2: Convert to fraction form
288,161.28/397,625.84 = 160,842.24/x - Step 3: Cross multiply
288,161.28x = 397,625.84 × 160,842.24 - Step 4: Simplify right side
288,161.28x = 63,955,030,787.48 - Step 5: Solve for x
x = 63,955,030,787.48/288,161.28 - Step 6: Final answer
x = 221,941.79
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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.