Finding the Fourth Proportional to 182,103.36, 250,912.80 and 122,383.68
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Solution
The fourth proportional to 182,103.36, 250,912.80 and 122,383.68 is: 168,627.49
Step by Step Solution
- Step 1: Write the proportion equation
182,103.36 : 250,912.80 = 122,383.68 : x - Step 2: Convert to fraction form
182,103.36/250,912.80 = 122,383.68/x - Step 3: Cross multiply
182,103.36x = 250,912.80 × 122,383.68 - Step 4: Simplify right side
182,103.36x = 30,707,631,823.10 - Step 5: Solve for x
x = 30,707,631,823.10/182,103.36 - Step 6: Final answer
x = 168,627.49
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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.