Finding the Fourth Proportional to 198,349.83, 273,723.12 and 107,704.53
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Solution
The fourth proportional to 198,349.83, 273,723.12 and 107,704.53 is: 148,632.44
Step by Step Solution
- Step 1: Write the proportion equation
198,349.83 : 273,723.12 = 107,704.53 : x - Step 2: Convert to fraction form
198,349.83/273,723.12 = 107,704.53/x - Step 3: Cross multiply
198,349.83x = 273,723.12 × 107,704.53 - Step 4: Simplify right side
198,349.83x = 29,481,219,989.73 - Step 5: Solve for x
x = 29,481,219,989.73/198,349.83 - Step 6: Final answer
x = 148,632.44
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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.