Finding the Fourth Proportional to 208,966.24, 313,471.24 and 68,735.80
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Solution
The fourth proportional to 208,966.24, 313,471.24 and 68,735.80 is: 103,110.90
Step by Step Solution
- Step 1: Write the proportion equation
208,966.24 : 313,471.24 = 68,735.80 : x - Step 2: Convert to fraction form
208,966.24/313,471.24 = 68,735.80/x - Step 3: Cross multiply
208,966.24x = 313,471.24 × 68,735.80 - Step 4: Simplify right side
208,966.24x = 21,546,696,458.39 - Step 5: Solve for x
x = 21,546,696,458.39/208,966.24 - Step 6: Final answer
x = 103,110.90
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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.