Finding the Fourth Proportional to 121,542.20, 182,313.29 and 32,795.70
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Solution
The fourth proportional to 121,542.20, 182,313.29 and 32,795.70 is: 49,193.55
Step by Step Solution
- Step 1: Write the proportion equation
121,542.20 : 182,313.29 = 32,795.70 : x - Step 2: Convert to fraction form
121,542.20/182,313.29 = 32,795.70/x - Step 3: Cross multiply
121,542.20x = 182,313.29 × 32,795.70 - Step 4: Simplify right side
121,542.20x = 5,979,091,964.85 - Step 5: Solve for x
x = 5,979,091,964.85/121,542.20 - Step 6: Final answer
x = 49,193.55
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1.5x scale
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.