Finding the Fourth Proportional to 394,899.24, 591,120.36 and 214,533.66
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Solution
The fourth proportional to 394,899.24, 591,120.36 and 214,533.66 is: 321,133.09
Step by Step Solution
- Step 1: Write the proportion equation
394,899.24 : 591,120.36 = 214,533.66 : x - Step 2: Convert to fraction form
394,899.24/591,120.36 = 214,533.66/x - Step 3: Cross multiply
394,899.24x = 591,120.36 × 214,533.66 - Step 4: Simplify right side
394,899.24x = 126,815,214,331.32 - Step 5: Solve for x
x = 126,815,214,331.32/394,899.24 - Step 6: Final answer
x = 321,133.09
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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.