Finding the Fourth Proportional to 192,261.40, 288,391.19 and 106,832.00
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Solution
The fourth proportional to 192,261.40, 288,391.19 and 106,832.00 is: 160,247.50
Step by Step Solution
- Step 1: Write the proportion equation
192,261.40 : 288,391.19 = 106,832.00 : x - Step 2: Convert to fraction form
192,261.40/288,391.19 = 106,832.00/x - Step 3: Cross multiply
192,261.40x = 288,391.19 × 106,832.00 - Step 4: Simplify right side
192,261.40x = 30,809,407,796.90 - Step 5: Solve for x
x = 30,809,407,796.90/192,261.40 - Step 6: Final answer
x = 160,247.50
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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.