Finding the Fourth Proportional to 481,613.82, 664,620.30 and 277,665.09
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Solution
The fourth proportional to 481,613.82, 664,620.30 and 277,665.09 is: 383,173.92
Step by Step Solution
- Step 1: Write the proportion equation
481,613.82 : 664,620.30 = 277,665.09 : x - Step 2: Convert to fraction form
481,613.82/664,620.30 = 277,665.09/x - Step 3: Cross multiply
481,613.82x = 664,620.30 × 277,665.09 - Step 4: Simplify right side
481,613.82x = 184,541,855,415.33 - Step 5: Solve for x
x = 184,541,855,415.33/481,613.82 - Step 6: Final answer
x = 383,173.92
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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.