Finding the Fourth Proportional to 213,467.70, 319,939.11 and 119,776.62
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Solution
The fourth proportional to 213,467.70, 319,939.11 and 119,776.62 is: 179,517.68
Step by Step Solution
- Step 1: Write the proportion equation
213,467.70 : 319,939.11 = 119,776.62 : x - Step 2: Convert to fraction form
213,467.70/319,939.11 = 119,776.62/x - Step 3: Cross multiply
213,467.70x = 319,939.11 × 119,776.62 - Step 4: Simplify right side
213,467.70x = 38,321,225,201.61 - Step 5: Solve for x
x = 38,321,225,201.61/213,467.70 - Step 6: Final answer
x = 179,517.68
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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.