Finding the Fourth Proportional to 192,532.20, 288,491.10 and 161,197.80
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Solution
The fourth proportional to 192,532.20, 288,491.10 and 161,197.80 is: 241,539.50
Step by Step Solution
- Step 1: Write the proportion equation
192,532.20 : 288,491.10 = 161,197.80 : x - Step 2: Convert to fraction form
192,532.20/288,491.10 = 161,197.80/x - Step 3: Cross multiply
192,532.20x = 288,491.10 × 161,197.80 - Step 4: Simplify right side
192,532.20x = 46,504,130,639.58 - Step 5: Solve for x
x = 46,504,130,639.58/192,532.20 - Step 6: Final answer
x = 241,539.50
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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.