Finding the Fourth Proportional to 479,028.96, 661,046.94 and 264,165.12
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Solution
The fourth proportional to 479,028.96, 661,046.94 and 264,165.12 is: 364,540.68
Step by Step Solution
- Step 1: Write the proportion equation
479,028.96 : 661,046.94 = 264,165.12 : x - Step 2: Convert to fraction form
479,028.96/661,046.94 = 264,165.12/x - Step 3: Cross multiply
479,028.96x = 661,046.94 × 264,165.12 - Step 4: Simplify right side
479,028.96x = 174,625,544,230.73 - Step 5: Solve for x
x = 174,625,544,230.73/479,028.96 - Step 6: Final answer
x = 364,540.68
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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.