Finding the Fourth Proportional to 285,869.24, 394,489.56 and 158,556.68
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Solution
The fourth proportional to 285,869.24, 394,489.56 and 158,556.68 is: 218,802.68
Step by Step Solution
- Step 1: Write the proportion equation
285,869.24 : 394,489.56 = 158,556.68 : x - Step 2: Convert to fraction form
285,869.24/394,489.56 = 158,556.68/x - Step 3: Cross multiply
285,869.24x = 394,489.56 × 158,556.68 - Step 4: Simplify right side
285,869.24x = 62,548,954,928.26 - Step 5: Solve for x
x = 62,548,954,928.26/285,869.24 - Step 6: Final answer
x = 218,802.68
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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.