Finding the Fourth Proportional to 198,491.18, 273,918.95 and 107,847.88
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Solution
The fourth proportional to 198,491.18, 273,918.95 and 107,847.88 is: 148,830.68
Step by Step Solution
- Step 1: Write the proportion equation
198,491.18 : 273,918.95 = 107,847.88 : x - Step 2: Convert to fraction form
198,491.18/273,918.95 = 107,847.88/x - Step 3: Cross multiply
198,491.18x = 273,918.95 × 107,847.88 - Step 4: Simplify right side
198,491.18x = 29,541,578,049.33 - Step 5: Solve for x
x = 29,541,578,049.33/198,491.18 - Step 6: Final answer
x = 148,830.68
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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.