Finding the Fourth Proportional to 198,271.98, 273,620.18 and 107,627.70
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Solution
The fourth proportional to 198,271.98, 273,620.18 and 107,627.70 is: 148,528.85
Step by Step Solution
- Step 1: Write the proportion equation
198,271.98 : 273,620.18 = 107,627.70 : x - Step 2: Convert to fraction form
198,271.98/273,620.18 = 107,627.70/x - Step 3: Cross multiply
198,271.98x = 273,620.18 × 107,627.70 - Step 4: Simplify right side
198,271.98x = 29,449,110,108.85 - Step 5: Solve for x
x = 29,449,110,108.85/198,271.98 - Step 6: Final answer
x = 148,528.85
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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.