Finding the Fourth Proportional to 111,438.99, 167,202.27 and 49,065.75
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Solution
The fourth proportional to 111,438.99, 167,202.27 and 49,065.75 is: 73,617.90
Step by Step Solution
- Step 1: Write the proportion equation
111,438.99 : 167,202.27 = 49,065.75 : x - Step 2: Convert to fraction form
111,438.99/167,202.27 = 49,065.75/x - Step 3: Cross multiply
111,438.99x = 167,202.27 × 49,065.75 - Step 4: Simplify right side
111,438.99x = 8,203,904,779.25 - Step 5: Solve for x
x = 8,203,904,779.25/111,438.99 - Step 6: Final answer
x = 73,617.90
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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.