Finding the Fourth Proportional to 326,704.02, 490,054.66 and 127,163.55
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Solution
The fourth proportional to 326,704.02, 490,054.66 and 127,163.55 is: 190,744.80
Step by Step Solution
- Step 1: Write the proportion equation
326,704.02 : 490,054.66 = 127,163.55 : x - Step 2: Convert to fraction form
326,704.02/490,054.66 = 127,163.55/x - Step 3: Cross multiply
326,704.02x = 490,054.66 × 127,163.55 - Step 4: Simplify right side
326,704.02x = 62,317,091,779.44 - Step 5: Solve for x
x = 62,317,091,779.44/326,704.02 - Step 6: Final answer
x = 190,744.80
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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.