Finding the Fourth Proportional to 415,086.40, 622,231.08 and 264,902.68
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Solution
The fourth proportional to 415,086.40, 622,231.08 and 264,902.68 is: 397,099.69
Step by Step Solution
- Step 1: Write the proportion equation
415,086.40 : 622,231.08 = 264,902.68 : x - Step 2: Convert to fraction form
415,086.40/622,231.08 = 264,902.68/x - Step 3: Cross multiply
415,086.40x = 622,231.08 × 264,902.68 - Step 4: Simplify right side
415,086.40x = 164,830,680,671.29 - Step 5: Solve for x
x = 164,830,680,671.29/415,086.40 - Step 6: Final answer
x = 397,099.69
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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.