Finding the Fourth Proportional to 252,704.24, 348,729.60 and 139,524.56
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Solution
The fourth proportional to 252,704.24, 348,729.60 and 139,524.56 is: 192,542.65
Step by Step Solution
- Step 1: Write the proportion equation
252,704.24 : 348,729.60 = 139,524.56 : x - Step 2: Convert to fraction form
252,704.24/348,729.60 = 139,524.56/x - Step 3: Cross multiply
252,704.24x = 348,729.60 × 139,524.56 - Step 4: Simplify right side
252,704.24x = 48,656,343,998.98 - Step 5: Solve for x
x = 48,656,343,998.98/252,704.24 - Step 6: Final answer
x = 192,542.65
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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.