Finding the Fourth Proportional to 274,705.62, 413,930.29 and 225,879.49
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Solution
The fourth proportional to 274,705.62, 413,930.29 and 225,879.49 is: 340,358.39
Step by Step Solution
- Step 1: Write the proportion equation
274,705.62 : 413,930.29 = 225,879.49 : x - Step 2: Convert to fraction form
274,705.62/413,930.29 = 225,879.49/x - Step 3: Cross multiply
274,705.62x = 413,930.29 × 225,879.49 - Step 4: Simplify right side
274,705.62x = 93,498,362,800.75 - Step 5: Solve for x
x = 93,498,362,800.75/274,705.62 - Step 6: Final answer
x = 340,358.39
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.