Finding the Fourth Proportional to 150,174.26, 225,261.21 and 69,113.12
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Solution
The fourth proportional to 150,174.26, 225,261.21 and 69,113.12 is: 103,669.60
Step by Step Solution
- Step 1: Write the proportion equation
150,174.26 : 225,261.21 = 69,113.12 : x - Step 2: Convert to fraction form
150,174.26/225,261.21 = 69,113.12/x - Step 3: Cross multiply
150,174.26x = 225,261.21 × 69,113.12 - Step 4: Simplify right side
150,174.26x = 15,568,505,038.08 - Step 5: Solve for x
x = 15,568,505,038.08/150,174.26 - Step 6: Final answer
x = 103,669.60
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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.