Finding the Fourth Proportional to 207,762.40, 311,797.20 and 83,192.80
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Solution
The fourth proportional to 207,762.40, 311,797.20 and 83,192.80 is: 124,850.70
Step by Step Solution
- Step 1: Write the proportion equation
207,762.40 : 311,797.20 = 83,192.80 : x - Step 2: Convert to fraction form
207,762.40/311,797.20 = 83,192.80/x - Step 3: Cross multiply
207,762.40x = 311,797.20 × 83,192.80 - Step 4: Simplify right side
207,762.40x = 25,939,282,100.16 - Step 5: Solve for x
x = 25,939,282,100.16/207,762.40 - Step 6: Final answer
x = 124,850.70
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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.