Finding the Fourth Proportional to 394,163.06, 543,936.69 and 224,394.74
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Solution
The fourth proportional to 394,163.06, 543,936.69 and 224,394.74 is: 309,660.00
Step by Step Solution
- Step 1: Write the proportion equation
394,163.06 : 543,936.69 = 224,394.74 : x - Step 2: Convert to fraction form
394,163.06/543,936.69 = 224,394.74/x - Step 3: Cross multiply
394,163.06x = 543,936.69 × 224,394.74 - Step 4: Simplify right side
394,163.06x = 122,056,532,129.01 - Step 5: Solve for x
x = 122,056,532,129.01/394,163.06 - Step 6: Final answer
x = 309,660.00
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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.