Finding the Fourth Proportional to 189,175.50, 261,063.99 and 104,295.60
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Solution
The fourth proportional to 189,175.50, 261,063.99 and 104,295.60 is: 143,928.92
Step by Step Solution
- Step 1: Write the proportion equation
189,175.50 : 261,063.99 = 104,295.60 : x - Step 2: Convert to fraction form
189,175.50/261,063.99 = 104,295.60/x - Step 3: Cross multiply
189,175.50x = 261,063.99 × 104,295.60 - Step 4: Simplify right side
189,175.50x = 27,227,825,475.44 - Step 5: Solve for x
x = 27,227,825,475.44/189,175.50 - Step 6: Final answer
x = 143,928.92
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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.