Finding the Fourth Proportional to 126,744.20, 190,106.40 and 33,247.52
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Solution
The fourth proportional to 126,744.20, 190,106.40 and 33,247.52 is: 49,868.68
Step by Step Solution
- Step 1: Write the proportion equation
126,744.20 : 190,106.40 = 33,247.52 : x - Step 2: Convert to fraction form
126,744.20/190,106.40 = 33,247.52/x - Step 3: Cross multiply
126,744.20x = 190,106.40 × 33,247.52 - Step 4: Simplify right side
126,744.20x = 6,320,566,336.13 - Step 5: Solve for x
x = 6,320,566,336.13/126,744.20 - Step 6: Final answer
x = 49,868.68
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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.