Finding the Fourth Proportional to 252,917.44, 349,021.92 and 139,744.96
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Solution
The fourth proportional to 252,917.44, 349,021.92 and 139,744.96 is: 192,845.75
Step by Step Solution
- Step 1: Write the proportion equation
252,917.44 : 349,021.92 = 139,744.96 : x - Step 2: Convert to fraction form
252,917.44/349,021.92 = 139,744.96/x - Step 3: Cross multiply
252,917.44x = 349,021.92 × 139,744.96 - Step 4: Simplify right side
252,917.44x = 48,774,054,249.52 - Step 5: Solve for x
x = 48,774,054,249.52/252,917.44 - Step 6: Final answer
x = 192,845.75
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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.