Finding the Fourth Proportional to 288,266.24, 397,790.70 and 160,949.90
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Solution
The fourth proportional to 288,266.24, 397,790.70 and 160,949.90 is: 222,101.53
Step by Step Solution
- Step 1: Write the proportion equation
288,266.24 : 397,790.70 = 160,949.90 : x - Step 2: Convert to fraction form
288,266.24/397,790.70 = 160,949.90/x - Step 3: Cross multiply
288,266.24x = 397,790.70 × 160,949.90 - Step 4: Simplify right side
288,266.24x = 64,024,373,385.93 - Step 5: Solve for x
x = 64,024,373,385.93/288,266.24 - Step 6: Final answer
x = 222,101.53
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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.