Finding the Fourth Proportional to 100,107.75, 150,163.50 and 46,785.09
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Solution
The fourth proportional to 100,107.75, 150,163.50 and 46,785.09 is: 70,178.51
Step by Step Solution
- Step 1: Write the proportion equation
100,107.75 : 150,163.50 = 46,785.09 : x - Step 2: Convert to fraction form
100,107.75/150,163.50 = 46,785.09/x - Step 3: Cross multiply
100,107.75x = 150,163.50 × 46,785.09 - Step 4: Simplify right side
100,107.75x = 7,025,412,862.22 - Step 5: Solve for x
x = 7,025,412,862.22/100,107.75 - Step 6: Final answer
x = 70,178.51
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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.