Finding the Fourth Proportional to 276,517.92, 414,998.37 and 126,828.75
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Solution
The fourth proportional to 276,517.92, 414,998.37 and 126,828.75 is: 190,344.71
Step by Step Solution
- Step 1: Write the proportion equation
276,517.92 : 414,998.37 = 126,828.75 : x - Step 2: Convert to fraction form
276,517.92/414,998.37 = 126,828.75/x - Step 3: Cross multiply
276,517.92x = 414,998.37 × 126,828.75 - Step 4: Simplify right side
276,517.92x = 52,633,724,519.14 - Step 5: Solve for x
x = 52,633,724,519.14/276,517.92 - Step 6: Final answer
x = 190,344.71
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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.