Finding the Fourth Proportional to 203,554.42, 305,249.58 and 61,355.68
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Solution
The fourth proportional to 203,554.42, 305,249.58 and 61,355.68 is: 92,008.79
Step by Step Solution
- Step 1: Write the proportion equation
203,554.42 : 305,249.58 = 61,355.68 : x - Step 2: Convert to fraction form
203,554.42/305,249.58 = 61,355.68/x - Step 3: Cross multiply
203,554.42x = 305,249.58 × 61,355.68 - Step 4: Simplify right side
203,554.42x = 18,728,794,787.49 - Step 5: Solve for x
x = 18,728,794,787.49/203,554.42 - Step 6: Final answer
x = 92,008.79
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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.