Finding the Fourth Proportional to 121,009.99, 181,523.66 and 32,263.03
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Solution
The fourth proportional to 121,009.99, 181,523.66 and 32,263.03 is: 48,396.86
Step by Step Solution
- Step 1: Write the proportion equation
121,009.99 : 181,523.66 = 32,263.03 : x - Step 2: Convert to fraction form
121,009.99/181,523.66 = 32,263.03/x - Step 3: Cross multiply
121,009.99x = 181,523.66 × 32,263.03 - Step 4: Simplify right side
121,009.99x = 5,856,503,126.97 - Step 5: Solve for x
x = 5,856,503,126.97/121,009.99 - Step 6: Final answer
x = 48,396.86
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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.