Finding the Fourth Proportional to 288,104.24, 397,621.46 and 160,806.26
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Solution
The fourth proportional to 288,104.24, 397,621.46 and 160,806.26 is: 221,933.63
Step by Step Solution
- Step 1: Write the proportion equation
288,104.24 : 397,621.46 = 160,806.26 : x - Step 2: Convert to fraction form
288,104.24/397,621.46 = 160,806.26/x - Step 3: Cross multiply
288,104.24x = 397,621.46 × 160,806.26 - Step 4: Simplify right side
288,104.24x = 63,940,019,878.34 - Step 5: Solve for x
x = 63,940,019,878.34/288,104.24 - Step 6: Final answer
x = 221,933.63
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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.