Finding the Fourth Proportional to 217,082.92, 299,420.48 and 135,452.28
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Solution
The fourth proportional to 217,082.92, 299,420.48 and 135,452.28 is: 186,828.09
Step by Step Solution
- Step 1: Write the proportion equation
217,082.92 : 299,420.48 = 135,452.28 : x - Step 2: Convert to fraction form
217,082.92/299,420.48 = 135,452.28/x - Step 3: Cross multiply
217,082.92x = 299,420.48 × 135,452.28 - Step 4: Simplify right side
217,082.92x = 40,557,186,694.69 - Step 5: Solve for x
x = 40,557,186,694.69/217,082.92 - Step 6: Final answer
x = 186,828.09
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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.