Finding the Fourth Proportional to 275,252.70, 412,879.05 and 275,252.70
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Solution
The fourth proportional to 275,252.70, 412,879.05 and 275,252.70 is: 412,879.05
Step by Step Solution
- Step 1: Write the proportion equation
275,252.70 : 412,879.05 = 275,252.70 : x - Step 2: Convert to fraction form
275,252.70/412,879.05 = 275,252.70/x - Step 3: Cross multiply
275,252.70x = 412,879.05 × 275,252.70 - Step 4: Simplify right side
275,252.70x = 113,646,073,285.94 - Step 5: Solve for x
x = 113,646,073,285.94/275,252.70 - Step 6: Final answer
x = 412,879.05
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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.