Finding the Fourth Proportional to 232,183.20, 347,583.60 and 138,640.80
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Solution
The fourth proportional to 232,183.20, 347,583.60 and 138,640.80 is: 207,548.47
Step by Step Solution
- Step 1: Write the proportion equation
232,183.20 : 347,583.60 = 138,640.80 : x - Step 2: Convert to fraction form
232,183.20/347,583.60 = 138,640.80/x - Step 3: Cross multiply
232,183.20x = 347,583.60 × 138,640.80 - Step 4: Simplify right side
232,183.20x = 48,189,268,370.88 - Step 5: Solve for x
x = 48,189,268,370.88/232,183.20 - Step 6: Final answer
x = 207,548.47
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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.