Finding the Fourth Proportional to 205,163.48, 283,172.84 and 120,307.88
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Solution
The fourth proportional to 205,163.48, 283,172.84 and 120,307.88 is: 166,052.58
Step by Step Solution
- Step 1: Write the proportion equation
205,163.48 : 283,172.84 = 120,307.88 : x - Step 2: Convert to fraction form
205,163.48/283,172.84 = 120,307.88/x - Step 3: Cross multiply
205,163.48x = 283,172.84 × 120,307.88 - Step 4: Simplify right side
205,163.48x = 34,067,924,611.53 - Step 5: Solve for x
x = 34,067,924,611.53/205,163.48 - Step 6: Final answer
x = 166,052.58
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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.