Finding the Fourth Proportional to 192,548.20, 288,515.10 and 161,213.80
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Solution
The fourth proportional to 192,548.20, 288,515.10 and 161,213.80 is: 241,563.49
Step by Step Solution
- Step 1: Write the proportion equation
192,548.20 : 288,515.10 = 161,213.80 : x - Step 2: Convert to fraction form
192,548.20/288,515.10 = 161,213.80/x - Step 3: Cross multiply
192,548.20x = 288,515.10 × 161,213.80 - Step 4: Simplify right side
192,548.20x = 46,512,615,628.38 - Step 5: Solve for x
x = 46,512,615,628.38/192,548.20 - Step 6: Final answer
x = 241,563.49
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1.5x scale
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.