Finding the Fourth Proportional to 212,757.74, 319,183.91 and 92,834.09
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Solution
The fourth proportional to 212,757.74, 319,183.91 and 92,834.09 is: 139,271.77
Step by Step Solution
- Step 1: Write the proportion equation
212,757.74 : 319,183.91 = 92,834.09 : x - Step 2: Convert to fraction form
212,757.74/319,183.91 = 92,834.09/x - Step 3: Cross multiply
212,757.74x = 319,183.91 × 92,834.09 - Step 4: Simplify right side
212,757.74x = 29,631,147,827.49 - Step 5: Solve for x
x = 29,631,147,827.49/212,757.74 - Step 6: Final answer
x = 139,271.77
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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.