Finding the Fourth Proportional to 121,957.85, 182,939.99 and 33,213.17
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Solution
The fourth proportional to 121,957.85, 182,939.99 and 33,213.17 is: 49,820.63
Step by Step Solution
- Step 1: Write the proportion equation
121,957.85 : 182,939.99 = 33,213.17 : x - Step 2: Convert to fraction form
121,957.85/182,939.99 = 33,213.17/x - Step 3: Cross multiply
121,957.85x = 182,939.99 × 33,213.17 - Step 4: Simplify right side
121,957.85x = 6,076,016,821.60 - Step 5: Solve for x
x = 6,076,016,821.60/121,957.85 - Step 6: Final answer
x = 49,820.63
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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.