Finding the Fourth Proportional to 263,715.80, 395,768.10 and 174,939.80
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Solution
The fourth proportional to 263,715.80, 395,768.10 and 174,939.80 is: 262,538.66
Step by Step Solution
- Step 1: Write the proportion equation
263,715.80 : 395,768.10 = 174,939.80 : x - Step 2: Convert to fraction form
263,715.80/395,768.10 = 174,939.80/x - Step 3: Cross multiply
263,715.80x = 395,768.10 × 174,939.80 - Step 4: Simplify right side
263,715.80x = 69,235,592,260.38 - Step 5: Solve for x
x = 69,235,592,260.38/263,715.80 - Step 6: Final answer
x = 262,538.66
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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.