Finding the Fourth Proportional to 305,840.53, 459,040.99 and 163,846.11
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Solution
The fourth proportional to 305,840.53, 459,040.99 and 163,846.11 is: 245,919.27
Step by Step Solution
- Step 1: Write the proportion equation
305,840.53 : 459,040.99 = 163,846.11 : x - Step 2: Convert to fraction form
305,840.53/459,040.99 = 163,846.11/x - Step 3: Cross multiply
305,840.53x = 459,040.99 × 163,846.11 - Step 4: Simplify right side
305,840.53x = 75,212,080,542.05 - Step 5: Solve for x
x = 75,212,080,542.05/305,840.53 - Step 6: Final answer
x = 245,919.27
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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.