Finding the Fourth Proportional to 201,409.26, 302,138.50 and 68,327.60
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Solution
The fourth proportional to 201,409.26, 302,138.50 and 68,327.60 is: 102,499.75
Step by Step Solution
- Step 1: Write the proportion equation
201,409.26 : 302,138.50 = 68,327.60 : x - Step 2: Convert to fraction form
201,409.26/302,138.50 = 68,327.60/x - Step 3: Cross multiply
201,409.26x = 302,138.50 × 68,327.60 - Step 4: Simplify right side
201,409.26x = 20,644,398,572.60 - Step 5: Solve for x
x = 20,644,398,572.60/201,409.26 - Step 6: Final answer
x = 102,499.75
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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.