Finding the Fourth Proportional to 263,040.05, 394,617.32 and 80,670.96
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Solution
The fourth proportional to 263,040.05, 394,617.32 and 80,670.96 is: 121,023.99
Step by Step Solution
- Step 1: Write the proportion equation
263,040.05 : 394,617.32 = 80,670.96 : x - Step 2: Convert to fraction form
263,040.05/394,617.32 = 80,670.96/x - Step 3: Cross multiply
263,040.05x = 394,617.32 × 80,670.96 - Step 4: Simplify right side
263,040.05x = 31,834,157,045.02 - Step 5: Solve for x
x = 31,834,157,045.02/263,040.05 - Step 6: Final answer
x = 121,023.99
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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.