Finding the Fourth Proportional to 217,201.92, 299,738.25 and 132,318.99
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Solution
The fourth proportional to 217,201.92, 299,738.25 and 132,318.99 is: 182,599.96
Step by Step Solution
- Step 1: Write the proportion equation
217,201.92 : 299,738.25 = 132,318.99 : x - Step 2: Convert to fraction form
217,201.92/299,738.25 = 132,318.99/x - Step 3: Cross multiply
217,201.92x = 299,738.25 × 132,318.99 - Step 4: Simplify right side
217,201.92x = 39,661,062,504.37 - Step 5: Solve for x
x = 39,661,062,504.37/217,201.92 - Step 6: Final answer
x = 182,599.96
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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.