Finding the Fourth Proportional to 415,145.00, 622,718.10 and 115,626.44
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Solution
The fourth proportional to 415,145.00, 622,718.10 and 115,626.44 is: 173,439.82
Step by Step Solution
- Step 1: Write the proportion equation
415,145.00 : 622,718.10 = 115,626.44 : x - Step 2: Convert to fraction form
415,145.00/622,718.10 = 115,626.44/x - Step 3: Cross multiply
415,145.00x = 622,718.10 × 115,626.44 - Step 4: Simplify right side
415,145.00x = 72,002,673,912.97 - Step 5: Solve for x
x = 72,002,673,912.97/415,145.00 - Step 6: Final answer
x = 173,439.82
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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.