Finding the Fourth Proportional to 437,771.60, 656,147.10 and 201,138.20
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Solution
The fourth proportional to 437,771.60, 656,147.10 and 201,138.20 is: 301,472.84
Step by Step Solution
- Step 1: Write the proportion equation
437,771.60 : 656,147.10 = 201,138.20 : x - Step 2: Convert to fraction form
437,771.60/656,147.10 = 201,138.20/x - Step 3: Cross multiply
437,771.60x = 656,147.10 × 201,138.20 - Step 4: Simplify right side
437,771.60x = 131,976,246,629.22 - Step 5: Solve for x
x = 131,976,246,629.22/437,771.60 - Step 6: Final answer
x = 301,472.84
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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.