Finding the Fourth Proportional to 103,544.46, 155,286.60 and 40,350.48
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Solution
The fourth proportional to 103,544.46, 155,286.60 and 40,350.48 is: 60,513.99
Step by Step Solution
- Step 1: Write the proportion equation
103,544.46 : 155,286.60 = 40,350.48 : x - Step 2: Convert to fraction form
103,544.46/155,286.60 = 40,350.48/x - Step 3: Cross multiply
103,544.46x = 155,286.60 × 40,350.48 - Step 4: Simplify right side
103,544.46x = 6,265,888,847.57 - Step 5: Solve for x
x = 6,265,888,847.57/103,544.46 - Step 6: Final answer
x = 60,513.99
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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.