Finding the Fourth Proportional to 334,163.80, 501,245.70 and 318,611.80
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Solution
The fourth proportional to 334,163.80, 501,245.70 and 318,611.80 is: 477,917.70
Step by Step Solution
- Step 1: Write the proportion equation
334,163.80 : 501,245.70 = 318,611.80 : x - Step 2: Convert to fraction form
334,163.80/501,245.70 = 318,611.80/x - Step 3: Cross multiply
334,163.80x = 501,245.70 × 318,611.80 - Step 4: Simplify right side
334,163.80x = 159,702,794,719.26 - Step 5: Solve for x
x = 159,702,794,719.26/334,163.80 - Step 6: Final answer
x = 477,917.70
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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.