Finding the Fourth Proportional to 198,246.40, 273,455.56 and 117,616.84
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Solution
The fourth proportional to 198,246.40, 273,455.56 and 117,616.84 is: 162,237.39
Step by Step Solution
- Step 1: Write the proportion equation
198,246.40 : 273,455.56 = 117,616.84 : x - Step 2: Convert to fraction form
198,246.40/273,455.56 = 117,616.84/x - Step 3: Cross multiply
198,246.40x = 273,455.56 × 117,616.84 - Step 4: Simplify right side
198,246.40x = 32,162,978,847.63 - Step 5: Solve for x
x = 32,162,978,847.63/198,246.40 - Step 6: Final answer
x = 162,237.39
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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.