Finding the Fourth Proportional to 255,571.68, 383,380.56 and 68,581.92
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Solution
The fourth proportional to 255,571.68, 383,380.56 and 68,581.92 is: 102,879.06
Step by Step Solution
- Step 1: Write the proportion equation
255,571.68 : 383,380.56 = 68,581.92 : x - Step 2: Convert to fraction form
255,571.68/383,380.56 = 68,581.92/x - Step 3: Cross multiply
255,571.68x = 383,380.56 × 68,581.92 - Step 4: Simplify right side
255,571.68x = 26,292,974,895.48 - Step 5: Solve for x
x = 26,292,974,895.48/255,571.68 - Step 6: Final answer
x = 102,879.06
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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.