Finding the Fourth Proportional to 331,163.44, 496,592.88 and 106,482.40
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Solution
The fourth proportional to 331,163.44, 496,592.88 and 106,482.40 is: 159,674.64
Step by Step Solution
- Step 1: Write the proportion equation
331,163.44 : 496,592.88 = 106,482.40 : x - Step 2: Convert to fraction form
331,163.44/496,592.88 = 106,482.40/x - Step 3: Cross multiply
331,163.44x = 496,592.88 × 106,482.40 - Step 4: Simplify right side
331,163.44x = 52,878,401,685.31 - Step 5: Solve for x
x = 52,878,401,685.31/331,163.44 - Step 6: Final answer
x = 159,674.64
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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.