Finding the Fourth Proportional to 394,221.68, 591,646.44 and 204,736.88
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Solution
The fourth proportional to 394,221.68, 591,646.44 and 204,736.88 is: 307,268.35
Step by Step Solution
- Step 1: Write the proportion equation
394,221.68 : 591,646.44 = 204,736.88 : x - Step 2: Convert to fraction form
394,221.68/591,646.44 = 204,736.88/x - Step 3: Cross multiply
394,221.68x = 591,646.44 × 204,736.88 - Step 4: Simplify right side
394,221.68x = 121,131,846,188.71 - Step 5: Solve for x
x = 121,131,846,188.71/394,221.68 - Step 6: Final answer
x = 307,268.35
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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.