Finding the Fourth Proportional to 438,738.14, 658,147.37 and 123,192.92
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Solution
The fourth proportional to 438,738.14, 658,147.37 and 123,192.92 is: 184,800.66
Step by Step Solution
- Step 1: Write the proportion equation
438,738.14 : 658,147.37 = 123,192.92 : x - Step 2: Convert to fraction form
438,738.14/658,147.37 = 123,192.92/x - Step 3: Cross multiply
438,738.14x = 658,147.37 × 123,192.92 - Step 4: Simplify right side
438,738.14x = 81,079,096,300.62 - Step 5: Solve for x
x = 81,079,096,300.62/438,738.14 - Step 6: Final answer
x = 184,800.66
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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.