Finding the Fourth Proportional to 196,337.26, 270,939.36 and 115,769.80
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Solution
The fourth proportional to 196,337.26, 270,939.36 and 115,769.80 is: 159,758.75
Step by Step Solution
- Step 1: Write the proportion equation
196,337.26 : 270,939.36 = 115,769.80 : x - Step 2: Convert to fraction form
196,337.26/270,939.36 = 115,769.80/x - Step 3: Cross multiply
196,337.26x = 270,939.36 × 115,769.80 - Step 4: Simplify right side
196,337.26x = 31,366,595,519.33 - Step 5: Solve for x
x = 31,366,595,519.33/196,337.26 - Step 6: Final answer
x = 159,758.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.