Finding the Fourth Proportional to 217,469.44, 300,699.84 and 189,475.84
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Solution
The fourth proportional to 217,469.44, 300,699.84 and 189,475.84 is: 261,992.47
Step by Step Solution
- Step 1: Write the proportion equation
217,469.44 : 300,699.84 = 189,475.84 : x - Step 2: Convert to fraction form
217,469.44/300,699.84 = 189,475.84/x - Step 3: Cross multiply
217,469.44x = 300,699.84 × 189,475.84 - Step 4: Simplify right side
217,469.44x = 56,975,354,771.87 - Step 5: Solve for x
x = 56,975,354,771.87/217,469.44 - Step 6: Final answer
x = 261,992.47
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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.