Finding the Fourth Proportional to 278,905.75, 418,192.26 and 110,450.23
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Solution
The fourth proportional to 278,905.75, 418,192.26 and 110,450.23 is: 165,609.46
Step by Step Solution
- Step 1: Write the proportion equation
278,905.75 : 418,192.26 = 110,450.23 : x - Step 2: Convert to fraction form
278,905.75/418,192.26 = 110,450.23/x - Step 3: Cross multiply
278,905.75x = 418,192.26 × 110,450.23 - Step 4: Simplify right side
278,905.75x = 46,189,431,301.22 - Step 5: Solve for x
x = 46,189,431,301.22/278,905.75 - Step 6: Final answer
x = 165,609.46
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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.