Finding the Fourth Proportional to 394,905.24, 591,129.36 and 214,539.66
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Solution
The fourth proportional to 394,905.24, 591,129.36 and 214,539.66 is: 321,142.08
Step by Step Solution
- Step 1: Write the proportion equation
394,905.24 : 591,129.36 = 214,539.66 : x - Step 2: Convert to fraction form
394,905.24/591,129.36 = 214,539.66/x - Step 3: Cross multiply
394,905.24x = 591,129.36 × 214,539.66 - Step 4: Simplify right side
394,905.24x = 126,820,691,910.42 - Step 5: Solve for x
x = 126,820,691,910.42/394,905.24 - Step 6: Final answer
x = 321,142.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.