Finding the Fourth Proportional to 226,229.50, 339,387.99 and 85,977.19
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Solution
The fourth proportional to 226,229.50, 339,387.99 and 85,977.19 is: 128,982.41
Step by Step Solution
- Step 1: Write the proportion equation
226,229.50 : 339,387.99 = 85,977.19 : x - Step 2: Convert to fraction form
226,229.50/339,387.99 = 85,977.19/x - Step 3: Cross multiply
226,229.50x = 339,387.99 × 85,977.19 - Step 4: Simplify right side
226,229.50x = 29,179,624,851.48 - Step 5: Solve for x
x = 29,179,624,851.48/226,229.50 - Step 6: Final answer
x = 128,982.41
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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.