Finding the Fourth Proportional to 193,027.26, 289,142.37 and 143,163.66
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Solution
The fourth proportional to 193,027.26, 289,142.37 and 143,163.66 is: 214,449.92
Step by Step Solution
- Step 1: Write the proportion equation
193,027.26 : 289,142.37 = 143,163.66 : x - Step 2: Convert to fraction form
193,027.26/289,142.37 = 143,163.66/x - Step 3: Cross multiply
193,027.26x = 289,142.37 × 143,163.66 - Step 4: Simplify right side
193,027.26x = 41,394,679,950.27 - Step 5: Solve for x
x = 41,394,679,950.27/193,027.26 - Step 6: Final answer
x = 214,449.92
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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.