Finding the Fourth Proportional to 279,288.16, 417,034.84 and 271,720.96
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Solution
The fourth proportional to 279,288.16, 417,034.84 and 271,720.96 is: 405,735.45
Step by Step Solution
- Step 1: Write the proportion equation
279,288.16 : 417,034.84 = 271,720.96 : x - Step 2: Convert to fraction form
279,288.16/417,034.84 = 271,720.96/x - Step 3: Cross multiply
279,288.16x = 417,034.84 × 271,720.96 - Step 4: Simplify right side
279,288.16x = 113,317,107,078.25 - Step 5: Solve for x
x = 113,317,107,078.25/279,288.16 - Step 6: Final answer
x = 405,735.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.