Finding the Fourth Proportional to 285,568.96, 394,087.48 and 158,246.68
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Solution
The fourth proportional to 285,568.96, 394,087.48 and 158,246.68 is: 218,381.70
Step by Step Solution
- Step 1: Write the proportion equation
285,568.96 : 394,087.48 = 158,246.68 : x - Step 2: Convert to fraction form
285,568.96/394,087.48 = 158,246.68/x - Step 3: Cross multiply
285,568.96x = 394,087.48 × 158,246.68 - Step 4: Simplify right side
285,568.96x = 62,363,035,339.57 - Step 5: Solve for x
x = 62,363,035,339.57/285,568.96 - Step 6: Final answer
x = 218,381.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.