Finding the Fourth Proportional to 252,087.26, 347,887.84 and 138,917.30
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Solution
The fourth proportional to 252,087.26, 347,887.84 and 138,917.30 is: 191,709.96
Step by Step Solution
- Step 1: Write the proportion equation
252,087.26 : 347,887.84 = 138,917.30 : x - Step 2: Convert to fraction form
252,087.26/347,887.84 = 138,917.30/x - Step 3: Cross multiply
252,087.26x = 347,887.84 × 138,917.30 - Step 4: Simplify right side
252,087.26x = 48,327,639,435.63 - Step 5: Solve for x
x = 48,327,639,435.63/252,087.26 - Step 6: Final answer
x = 191,709.96
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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.