Finding the Fourth Proportional to 202,273.20, 303,409.80 and 69,157.80
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Solution
The fourth proportional to 202,273.20, 303,409.80 and 69,157.80 is: 103,736.70
Step by Step Solution
- Step 1: Write the proportion equation
202,273.20 : 303,409.80 = 69,157.80 : x - Step 2: Convert to fraction form
202,273.20/303,409.80 = 69,157.80/x - Step 3: Cross multiply
202,273.20x = 303,409.80 × 69,157.80 - Step 4: Simplify right side
202,273.20x = 20,983,154,266.44 - Step 5: Solve for x
x = 20,983,154,266.44/202,273.20 - Step 6: Final answer
x = 103,736.70
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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.