Finding the Fourth Proportional to 344,532.21, 475,481.09 and 206,716.29
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Solution
The fourth proportional to 344,532.21, 475,481.09 and 206,716.29 is: 285,284.46
Step by Step Solution
- Step 1: Write the proportion equation
344,532.21 : 475,481.09 = 206,716.29 : x - Step 2: Convert to fraction form
344,532.21/475,481.09 = 206,716.29/x - Step 3: Cross multiply
344,532.21x = 475,481.09 × 206,716.29 - Step 4: Simplify right side
344,532.21x = 98,289,685,856.37 - Step 5: Solve for x
x = 98,289,685,856.37/344,532.21 - Step 6: Final answer
x = 285,284.46
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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.