Finding the Fourth Proportional to 198,107.80, 296,724.30 and 163,115.80
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Solution
The fourth proportional to 198,107.80, 296,724.30 and 163,115.80 is: 244,313.56
Step by Step Solution
- Step 1: Write the proportion equation
198,107.80 : 296,724.30 = 163,115.80 : x - Step 2: Convert to fraction form
198,107.80/296,724.30 = 163,115.80/x - Step 3: Cross multiply
198,107.80x = 296,724.30 × 163,115.80 - Step 4: Simplify right side
198,107.80x = 48,400,421,573.94 - Step 5: Solve for x
x = 48,400,421,573.94/198,107.80 - Step 6: Final answer
x = 244,313.56
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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.