Finding the Fourth Proportional to 101,198.68, 151,771.55 and 30,102.17
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Solution
The fourth proportional to 101,198.68, 151,771.55 and 30,102.17 is: 45,145.38
Step by Step Solution
- Step 1: Write the proportion equation
101,198.68 : 151,771.55 = 30,102.17 : x - Step 2: Convert to fraction form
101,198.68/151,771.55 = 30,102.17/x - Step 3: Cross multiply
101,198.68x = 151,771.55 × 30,102.17 - Step 4: Simplify right side
101,198.68x = 4,568,652,999.26 - Step 5: Solve for x
x = 4,568,652,999.26/101,198.68 - Step 6: Final answer
x = 45,145.38
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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.