Finding the Fourth Proportional to 288,862.07, 398,622.20 and 159,797.21
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Solution
The fourth proportional to 288,862.07, 398,622.20 and 159,797.21 is: 220,516.02
Step by Step Solution
- Step 1: Write the proportion equation
288,862.07 : 398,622.20 = 159,797.21 : x - Step 2: Convert to fraction form
288,862.07/398,622.20 = 159,797.21/x - Step 3: Cross multiply
288,862.07x = 398,622.20 × 159,797.21 - Step 4: Simplify right side
288,862.07x = 63,698,712,611.97 - Step 5: Solve for x
x = 63,698,712,611.97/288,862.07 - Step 6: Final answer
x = 220,516.02
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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.