Finding the Fourth Proportional to 261,491.82, 360,847.35 and 145,198.05
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Solution
The fourth proportional to 261,491.82, 360,847.35 and 145,198.05 is: 200,367.00
Step by Step Solution
- Step 1: Write the proportion equation
261,491.82 : 360,847.35 = 145,198.05 : x - Step 2: Convert to fraction form
261,491.82/360,847.35 = 145,198.05/x - Step 3: Cross multiply
261,491.82x = 360,847.35 × 145,198.05 - Step 4: Simplify right side
261,491.82x = 52,394,331,567.67 - Step 5: Solve for x
x = 52,394,331,567.67/261,491.82 - Step 6: Final answer
x = 200,367.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.