Finding the Fourth Proportional to 198,340.65, 273,702.62 and 107,694.65
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Solution
The fourth proportional to 198,340.65, 273,702.62 and 107,694.65 is: 148,614.55
Step by Step Solution
- Step 1: Write the proportion equation
198,340.65 : 273,702.62 = 107,694.65 : x - Step 2: Convert to fraction form
198,340.65/273,702.62 = 107,694.65/x - Step 3: Cross multiply
198,340.65x = 273,702.62 × 107,694.65 - Step 4: Simplify right side
198,340.65x = 29,476,305,958.00 - Step 5: Solve for x
x = 29,476,305,958.00/198,340.65 - Step 6: Final answer
x = 148,614.55
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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.