Finding the Fourth Proportional to 394,403.53, 591,394.80 and 204,672.87
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Solution
The fourth proportional to 394,403.53, 591,394.80 and 204,672.87 is: 306,900.07
Step by Step Solution
- Step 1: Write the proportion equation
394,403.53 : 591,394.80 = 204,672.87 : x - Step 2: Convert to fraction form
394,403.53/591,394.80 = 204,672.87/x - Step 3: Cross multiply
394,403.53x = 591,394.80 × 204,672.87 - Step 4: Simplify right side
394,403.53x = 121,042,471,019.08 - Step 5: Solve for x
x = 121,042,471,019.08/394,403.53 - Step 6: Final answer
x = 306,900.07
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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.