Finding the Fourth Proportional to 161,163.40, 241,745.10 and 135,502.60
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Solution
The fourth proportional to 161,163.40, 241,745.10 and 135,502.60 is: 203,253.90
Step by Step Solution
- Step 1: Write the proportion equation
161,163.40 : 241,745.10 = 135,502.60 : x - Step 2: Convert to fraction form
161,163.40/241,745.10 = 135,502.60/x - Step 3: Cross multiply
161,163.40x = 241,745.10 × 135,502.60 - Step 4: Simplify right side
161,163.40x = 32,757,089,587.26 - Step 5: Solve for x
x = 32,757,089,587.26/161,163.40 - Step 6: Final answer
x = 203,253.90
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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.