Finding the Fourth Proportional to 169,163.40, 253,400.62 and 80,147.08
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Solution
The fourth proportional to 169,163.40, 253,400.62 and 80,147.08 is: 120,057.41
Step by Step Solution
- Step 1: Write the proportion equation
169,163.40 : 253,400.62 = 80,147.08 : x - Step 2: Convert to fraction form
169,163.40/253,400.62 = 80,147.08/x - Step 3: Cross multiply
169,163.40x = 253,400.62 × 80,147.08 - Step 4: Simplify right side
169,163.40x = 20,309,319,763.19 - Step 5: Solve for x
x = 20,309,319,763.19/169,163.40 - Step 6: Final answer
x = 120,057.41
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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.