Finding the Fourth Proportional to 163,193.49, 244,865.52 and 74,474.19
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Solution
The fourth proportional to 163,193.49, 244,865.52 and 74,474.19 is: 111,745.64
Step by Step Solution
- Step 1: Write the proportion equation
163,193.49 : 244,865.52 = 74,474.19 : x - Step 2: Convert to fraction form
163,193.49/244,865.52 = 74,474.19/x - Step 3: Cross multiply
163,193.49x = 244,865.52 × 74,474.19 - Step 4: Simplify right side
163,193.49x = 18,236,161,260.93 - Step 5: Solve for x
x = 18,236,161,260.93/163,193.49 - Step 6: Final answer
x = 111,745.64
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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.