Finding the Fourth Proportional to 355,656.20, 532,172.10 and 324,163.40
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Solution
The fourth proportional to 355,656.20, 532,172.10 and 324,163.40 is: 485,049.09
Step by Step Solution
- Step 1: Write the proportion equation
355,656.20 : 532,172.10 = 324,163.40 : x - Step 2: Convert to fraction form
355,656.20/532,172.10 = 324,163.40/x - Step 3: Cross multiply
355,656.20x = 532,172.10 × 324,163.40 - Step 4: Simplify right side
355,656.20x = 172,510,717,321.14 - Step 5: Solve for x
x = 172,510,717,321.14/355,656.20 - Step 6: Final answer
x = 485,049.09
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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.