Finding the Fourth Proportional to 226,487.99, 339,768.87 and 74,639.79
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Solution
The fourth proportional to 226,487.99, 339,768.87 and 74,639.79 is: 111,971.84
Step by Step Solution
- Step 1: Write the proportion equation
226,487.99 : 339,768.87 = 74,639.79 : x - Step 2: Convert to fraction form
226,487.99/339,768.87 = 74,639.79/x - Step 3: Cross multiply
226,487.99x = 339,768.87 × 74,639.79 - Step 4: Simplify right side
226,487.99x = 25,360,277,105.34 - Step 5: Solve for x
x = 25,360,277,105.34/226,487.99 - Step 6: Final answer
x = 111,971.84
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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.