Finding the Fourth Proportional to 275,131.62, 412,789.74 and 106,657.44
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Solution
The fourth proportional to 275,131.62, 412,789.74 and 106,657.44 is: 160,021.94
Step by Step Solution
- Step 1: Write the proportion equation
275,131.62 : 412,789.74 = 106,657.44 : x - Step 2: Convert to fraction form
275,131.62/412,789.74 = 106,657.44/x - Step 3: Cross multiply
275,131.62x = 412,789.74 × 106,657.44 - Step 4: Simplify right side
275,131.62x = 44,027,096,926.67 - Step 5: Solve for x
x = 44,027,096,926.67/275,131.62 - Step 6: Final answer
x = 160,021.94
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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.