Finding the Fourth Proportional to 198,896.14, 274,478.91 and 108,252.68
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Solution
The fourth proportional to 198,896.14, 274,478.91 and 108,252.68 is: 149,389.92
Step by Step Solution
- Step 1: Write the proportion equation
198,896.14 : 274,478.91 = 108,252.68 : x - Step 2: Convert to fraction form
198,896.14/274,478.91 = 108,252.68/x - Step 3: Cross multiply
198,896.14x = 274,478.91 × 108,252.68 - Step 4: Simplify right side
198,896.14x = 29,713,077,610.98 - Step 5: Solve for x
x = 29,713,077,610.98/198,896.14 - Step 6: Final answer
x = 149,389.92
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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.