Finding the Fourth Proportional to 198,207.09, 273,526.50 and 107,563.03
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Solution
The fourth proportional to 198,207.09, 273,526.50 and 107,563.03 is: 148,437.37
Step by Step Solution
- Step 1: Write the proportion equation
198,207.09 : 273,526.50 = 107,563.03 : x - Step 2: Convert to fraction form
198,207.09/273,526.50 = 107,563.03/x - Step 3: Cross multiply
198,207.09x = 273,526.50 × 107,563.03 - Step 4: Simplify right side
198,207.09x = 29,421,339,125.30 - Step 5: Solve for x
x = 29,421,339,125.30/198,207.09 - Step 6: Final answer
x = 148,437.37
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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.