Finding the Fourth Proportional to 548,131.48, 821,596.68 and 281,906.08
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Solution
The fourth proportional to 548,131.48, 821,596.68 and 281,906.08 is: 422,550.26
Step by Step Solution
- Step 1: Write the proportion equation
548,131.48 : 821,596.68 = 281,906.08 : x - Step 2: Convert to fraction form
548,131.48/821,596.68 = 281,906.08/x - Step 3: Cross multiply
548,131.48x = 821,596.68 × 281,906.08 - Step 4: Simplify right side
548,131.48x = 231,613,099,399.81 - Step 5: Solve for x
x = 231,613,099,399.81/548,131.48 - Step 6: Final answer
x = 422,550.26
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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.