Finding the Fourth Proportional to 263,135.28, 394,761.24 and 122,817.36
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Solution
The fourth proportional to 263,135.28, 394,761.24 and 122,817.36 is: 184,253.26
Step by Step Solution
- Step 1: Write the proportion equation
263,135.28 : 394,761.24 = 122,817.36 : x - Step 2: Convert to fraction form
263,135.28/394,761.24 = 122,817.36/x - Step 3: Cross multiply
263,135.28x = 394,761.24 × 122,817.36 - Step 4: Simplify right side
263,135.28x = 48,483,533,327.13 - Step 5: Solve for x
x = 48,483,533,327.13/263,135.28 - Step 6: Final answer
x = 184,253.26
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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.