Finding the Fourth Proportional to 324,357.62, 486,549.72 and 111,272.09
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Solution
The fourth proportional to 324,357.62, 486,549.72 and 111,272.09 is: 166,912.69
Step by Step Solution
- Step 1: Write the proportion equation
324,357.62 : 486,549.72 = 111,272.09 : x - Step 2: Convert to fraction form
324,357.62/486,549.72 = 111,272.09/x - Step 3: Cross multiply
324,357.62x = 486,549.72 × 111,272.09 - Step 4: Simplify right side
324,357.62x = 54,139,401,800.57 - Step 5: Solve for x
x = 54,139,401,800.57/324,357.62 - Step 6: Final answer
x = 166,912.69
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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.