Finding the Fourth Proportional to 229,163.20, 343,744.80 and 226,052.80
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Solution
The fourth proportional to 229,163.20, 343,744.80 and 226,052.80 is: 339,079.20
Step by Step Solution
- Step 1: Write the proportion equation
229,163.20 : 343,744.80 = 226,052.80 : x - Step 2: Convert to fraction form
229,163.20/343,744.80 = 226,052.80/x - Step 3: Cross multiply
229,163.20x = 343,744.80 × 226,052.80 - Step 4: Simplify right side
229,163.20x = 77,704,474,525.44 - Step 5: Solve for x
x = 77,704,474,525.44/229,163.20 - Step 6: Final answer
x = 339,079.20
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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.