Finding the Fourth Proportional to 121,543.47, 182,315.21 and 32,796.97
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Solution
The fourth proportional to 121,543.47, 182,315.21 and 32,796.97 is: 49,195.45
Step by Step Solution
- Step 1: Write the proportion equation
121,543.47 : 182,315.21 = 32,796.97 : x - Step 2: Convert to fraction form
121,543.47/182,315.21 = 32,796.97/x - Step 3: Cross multiply
121,543.47x = 182,315.21 × 32,796.97 - Step 4: Simplify right side
121,543.47x = 5,979,385,853.14 - Step 5: Solve for x
x = 5,979,385,853.14/121,543.47 - Step 6: Final answer
x = 49,195.45
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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.