Finding the Fourth Proportional to 415,079.23, 622,556.87 and 115,528.57
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Solution
The fourth proportional to 415,079.23, 622,556.87 and 115,528.57 is: 173,275.60
Step by Step Solution
- Step 1: Write the proportion equation
415,079.23 : 622,556.87 = 115,528.57 : x - Step 2: Convert to fraction form
415,079.23/622,556.87 = 115,528.57/x - Step 3: Cross multiply
415,079.23x = 622,556.87 × 115,528.57 - Step 4: Simplify right side
415,079.23x = 71,923,101,821.99 - Step 5: Solve for x
x = 71,923,101,821.99/415,079.23 - Step 6: Final answer
x = 173,275.60
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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.