Finding the Fourth Proportional to 285,912.62, 394,556.56 and 158,584.94
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Solution
The fourth proportional to 285,912.62, 394,556.56 and 158,584.94 is: 218,845.63
Step by Step Solution
- Step 1: Write the proportion equation
285,912.62 : 394,556.56 = 158,584.94 : x - Step 2: Convert to fraction form
285,912.62/394,556.56 = 158,584.94/x - Step 3: Cross multiply
285,912.62x = 394,556.56 × 158,584.94 - Step 4: Simplify right side
285,912.62x = 62,570,726,024.96 - Step 5: Solve for x
x = 62,570,726,024.96/285,912.62 - Step 6: Final answer
x = 218,845.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.