Finding the Fourth Proportional to 217,846.37, 300,629.19 and 122,353.08
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Solution
The fourth proportional to 217,846.37, 300,629.19 and 122,353.08 is: 168,847.92
Step by Step Solution
- Step 1: Write the proportion equation
217,846.37 : 300,629.19 = 122,353.08 : x - Step 2: Convert to fraction form
217,846.37/300,629.19 = 122,353.08/x - Step 3: Cross multiply
217,846.37x = 300,629.19 × 122,353.08 - Step 4: Simplify right side
217,846.37x = 36,782,907,334.41 - Step 5: Solve for x
x = 36,782,907,334.41/217,846.37 - Step 6: Final answer
x = 168,847.92
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1.5x scale
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.