Finding the Fourth Proportional to 505,586.08, 757,515.94 and 278,072.14
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Solution
The fourth proportional to 505,586.08, 757,515.94 and 278,072.14 is: 416,633.46
Step by Step Solution
- Step 1: Write the proportion equation
505,586.08 : 757,515.94 = 278,072.14 : x - Step 2: Convert to fraction form
505,586.08/757,515.94 = 278,072.14/x - Step 3: Cross multiply
505,586.08x = 757,515.94 × 278,072.14 - Step 4: Simplify right side
505,586.08x = 210,644,078,519.91 - Step 5: Solve for x
x = 210,644,078,519.91/505,586.08 - Step 6: Final answer
x = 416,633.46
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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.