Finding the Fourth Proportional to 275,608.09, 413,504.34 and 107,134.03
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Solution
The fourth proportional to 275,608.09, 413,504.34 and 107,134.03 is: 160,736.89
Step by Step Solution
- Step 1: Write the proportion equation
275,608.09 : 413,504.34 = 107,134.03 : x - Step 2: Convert to fraction form
275,608.09/413,504.34 = 107,134.03/x - Step 3: Cross multiply
275,608.09x = 413,504.34 × 107,134.03 - Step 4: Simplify right side
275,608.09x = 44,300,386,366.69 - Step 5: Solve for x
x = 44,300,386,366.69/275,608.09 - Step 6: Final answer
x = 160,736.89
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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.