Finding the Fourth Proportional to 288,112.14, 397,578.68 and 160,795.94
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Solution
The fourth proportional to 288,112.14, 397,578.68 and 160,795.94 is: 221,889.42
Step by Step Solution
- Step 1: Write the proportion equation
288,112.14 : 397,578.68 = 160,795.94 : x - Step 2: Convert to fraction form
288,112.14/397,578.68 = 160,795.94/x - Step 3: Cross multiply
288,112.14x = 397,578.68 × 160,795.94 - Step 4: Simplify right side
288,112.14x = 63,929,035,385.67 - Step 5: Solve for x
x = 63,929,035,385.67/288,112.14 - Step 6: Final answer
x = 221,889.42
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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.