Finding the Fourth Proportional to 198,489.04, 297,728.70 and 48,728.14
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Solution
The fourth proportional to 198,489.04, 297,728.70 and 48,728.14 is: 73,091.02
Step by Step Solution
- Step 1: Write the proportion equation
198,489.04 : 297,728.70 = 48,728.14 : x - Step 2: Convert to fraction form
198,489.04/297,728.70 = 48,728.14/x - Step 3: Cross multiply
198,489.04x = 297,728.70 × 48,728.14 - Step 4: Simplify right side
198,489.04x = 14,507,765,775.62 - Step 5: Solve for x
x = 14,507,765,775.62/198,489.04 - Step 6: Final answer
x = 73,091.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.