Finding the Fourth Proportional to 198,437.41, 273,846.54 and 107,795.08
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Solution
The fourth proportional to 198,437.41, 273,846.54 and 107,795.08 is: 148,758.79
Step by Step Solution
- Step 1: Write the proportion equation
198,437.41 : 273,846.54 = 107,795.08 : x - Step 2: Convert to fraction form
198,437.41/273,846.54 = 107,795.08/x - Step 3: Cross multiply
198,437.41x = 273,846.54 × 107,795.08 - Step 4: Simplify right side
198,437.41x = 29,519,309,687.02 - Step 5: Solve for x
x = 29,519,309,687.02/198,437.41 - Step 6: Final answer
x = 148,758.79
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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.