Finding the Fourth Proportional to 849,327.36, 1,274,035.68 and 218,245.44
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Solution
The fourth proportional to 849,327.36, 1,274,035.68 and 218,245.44 is: 327,379.63
Step by Step Solution
- Step 1: Write the proportion equation
849,327.36 : 1,274,035.68 = 218,245.44 : x - Step 2: Convert to fraction form
849,327.36/1,274,035.68 = 218,245.44/x - Step 3: Cross multiply
849,327.36x = 1,274,035.68 × 218,245.44 - Step 4: Simplify right side
849,327.36x = 278,052,477,557.30 - Step 5: Solve for x
x = 278,052,477,557.30/849,327.36 - Step 6: Final answer
x = 327,379.63
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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.