Finding the Fourth Proportional to 355,571.37, 490,812.05 and 204,728.49
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Solution
The fourth proportional to 355,571.37, 490,812.05 and 204,728.49 is: 282,596.46
Step by Step Solution
- Step 1: Write the proportion equation
355,571.37 : 490,812.05 = 204,728.49 : x - Step 2: Convert to fraction form
355,571.37/490,812.05 = 204,728.49/x - Step 3: Cross multiply
355,571.37x = 490,812.05 × 204,728.49 - Step 4: Simplify right side
355,571.37x = 100,483,209,870.30 - Step 5: Solve for x
x = 100,483,209,870.30/355,571.37 - Step 6: Final answer
x = 282,596.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.