Finding the Fourth Proportional to 143,361.27, 214,958.87 and 48,559.68
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Solution
The fourth proportional to 143,361.27, 214,958.87 and 48,559.68 is: 72,811.39
Step by Step Solution
- Step 1: Write the proportion equation
143,361.27 : 214,958.87 = 48,559.68 : x - Step 2: Convert to fraction form
143,361.27/214,958.87 = 48,559.68/x - Step 3: Cross multiply
143,361.27x = 214,958.87 × 48,559.68 - Step 4: Simplify right side
143,361.27x = 10,438,332,986.97 - Step 5: Solve for x
x = 10,438,332,986.97/143,361.27 - Step 6: Final answer
x = 72,811.39
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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.