Finding the Fourth Proportional to 252,571.26, 348,546.75 and 139,393.98
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Solution
The fourth proportional to 252,571.26, 348,546.75 and 139,393.98 is: 192,362.82
Step by Step Solution
- Step 1: Write the proportion equation
252,571.26 : 348,546.75 = 139,393.98 : x - Step 2: Convert to fraction form
252,571.26/348,546.75 = 139,393.98/x - Step 3: Cross multiply
252,571.26x = 348,546.75 × 139,393.98 - Step 4: Simplify right side
252,571.26x = 48,585,318,698.57 - Step 5: Solve for x
x = 48,585,318,698.57/252,571.26 - Step 6: Final answer
x = 192,362.82
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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.