Finding the Fourth Proportional to 213,549.22, 320,353.26 and 73,289.62
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Solution
The fourth proportional to 213,549.22, 320,353.26 and 73,289.62 is: 109,944.53
Step by Step Solution
- Step 1: Write the proportion equation
213,549.22 : 320,353.26 = 73,289.62 : x - Step 2: Convert to fraction form
213,549.22/320,353.26 = 73,289.62/x - Step 3: Cross multiply
213,549.22x = 320,353.26 × 73,289.62 - Step 4: Simplify right side
213,549.22x = 23,478,568,691.16 - Step 5: Solve for x
x = 23,478,568,691.16/213,549.22 - Step 6: Final answer
x = 109,944.53
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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.