Finding the Fourth Proportional to 202,138.20, 303,221.70 and 61,896.60
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Solution
The fourth proportional to 202,138.20, 303,221.70 and 61,896.60 is: 92,849.31
Step by Step Solution
- Step 1: Write the proportion equation
202,138.20 : 303,221.70 = 61,896.60 : x - Step 2: Convert to fraction form
202,138.20/303,221.70 = 61,896.60/x - Step 3: Cross multiply
202,138.20x = 303,221.70 × 61,896.60 - Step 4: Simplify right side
202,138.20x = 18,768,392,276.22 - Step 5: Solve for x
x = 18,768,392,276.22/202,138.20 - Step 6: Final answer
x = 92,849.31
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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.