Finding the Fourth Proportional to 151,911.80, 227,867.70 and 143,163.80
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Solution
The fourth proportional to 151,911.80, 227,867.70 and 143,163.80 is: 214,745.70
Step by Step Solution
- Step 1: Write the proportion equation
151,911.80 : 227,867.70 = 143,163.80 : x - Step 2: Convert to fraction form
151,911.80/227,867.70 = 143,163.80/x - Step 3: Cross multiply
151,911.80x = 227,867.70 × 143,163.80 - Step 4: Simplify right side
151,911.80x = 32,622,405,829.26 - Step 5: Solve for x
x = 32,622,405,829.26/151,911.80 - Step 6: Final answer
x = 214,745.70
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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.