Finding the Fourth Proportional to 276,082.38, 414,220.76 and 135,939.42
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Solution
The fourth proportional to 276,082.38, 414,220.76 and 135,939.42 is: 203,956.99
Step by Step Solution
- Step 1: Write the proportion equation
276,082.38 : 414,220.76 = 135,939.42 : x - Step 2: Convert to fraction form
276,082.38/414,220.76 = 135,939.42/x - Step 3: Cross multiply
276,082.38x = 414,220.76 × 135,939.42 - Step 4: Simplify right side
276,082.38x = 56,308,929,866.36 - Step 5: Solve for x
x = 56,308,929,866.36/276,082.38 - Step 6: Final answer
x = 203,956.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.