Finding the Fourth Proportional to 264,618.81, 365,176.53 and 143,761.05
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Solution
The fourth proportional to 264,618.81, 365,176.53 and 143,761.05 is: 198,391.65
Step by Step Solution
- Step 1: Write the proportion equation
264,618.81 : 365,176.53 = 143,761.05 : x - Step 2: Convert to fraction form
264,618.81/365,176.53 = 143,761.05/x - Step 3: Cross multiply
264,618.81x = 365,176.53 × 143,761.05 - Step 4: Simplify right side
264,618.81x = 52,498,161,388.16 - Step 5: Solve for x
x = 52,498,161,388.16/264,618.81 - Step 6: Final answer
x = 198,391.65
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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.