Finding the Fourth Proportional to 274,757.44, 411,426.36 and 189,631.05
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Solution
The fourth proportional to 274,757.44, 411,426.36 and 189,631.05 is: 283,956.69
Step by Step Solution
- Step 1: Write the proportion equation
274,757.44 : 411,426.36 = 189,631.05 : x - Step 2: Convert to fraction form
274,757.44/411,426.36 = 189,631.05/x - Step 3: Cross multiply
274,757.44x = 411,426.36 × 189,631.05 - Step 4: Simplify right side
274,757.44x = 78,019,212,792.10 - Step 5: Solve for x
x = 78,019,212,792.10/274,757.44 - Step 6: Final answer
x = 283,956.69
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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.