Finding the Fourth Proportional to 211,757.44, 292,234.80 and 126,872.68
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Solution
The fourth proportional to 211,757.44, 292,234.80 and 126,872.68 is: 175,090.01
Step by Step Solution
- Step 1: Write the proportion equation
211,757.44 : 292,234.80 = 126,872.68 : x - Step 2: Convert to fraction form
211,757.44/292,234.80 = 126,872.68/x - Step 3: Cross multiply
211,757.44x = 292,234.80 × 126,872.68 - Step 4: Simplify right side
211,757.44x = 37,076,612,265.26 - Step 5: Solve for x
x = 37,076,612,265.26/211,757.44 - Step 6: Final answer
x = 175,090.01
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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.