Finding the Fourth Proportional to 202,163.70, 303,245.55 and 171,059.70
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Solution
The fourth proportional to 202,163.70, 303,245.55 and 171,059.70 is: 256,589.55
Step by Step Solution
- Step 1: Write the proportion equation
202,163.70 : 303,245.55 = 171,059.70 : x - Step 2: Convert to fraction form
202,163.70/303,245.55 = 171,059.70/x - Step 3: Cross multiply
202,163.70x = 303,245.55 × 171,059.70 - Step 4: Simplify right side
202,163.70x = 51,873,092,809.34 - Step 5: Solve for x
x = 51,873,092,809.34/202,163.70 - Step 6: Final answer
x = 256,589.55
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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.