Finding the Fourth Proportional to 99,296.20, 148,847.10 and 40,052.80
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Solution
The fourth proportional to 99,296.20, 148,847.10 and 40,052.80 is: 60,039.99
Step by Step Solution
- Step 1: Write the proportion equation
99,296.20 : 148,847.10 = 40,052.80 : x - Step 2: Convert to fraction form
99,296.20/148,847.10 = 40,052.80/x - Step 3: Cross multiply
99,296.20x = 148,847.10 × 40,052.80 - Step 4: Simplify right side
99,296.20x = 5,961,743,126.88 - Step 5: Solve for x
x = 5,961,743,126.88/99,296.20 - Step 6: Final answer
x = 60,039.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.