Finding the Fourth Proportional to 234,718.44, 351,922.12 and 84,939.26
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Solution
The fourth proportional to 234,718.44, 351,922.12 and 84,939.26 is: 127,352.60
Step by Step Solution
- Step 1: Write the proportion equation
234,718.44 : 351,922.12 = 84,939.26 : x - Step 2: Convert to fraction form
234,718.44/351,922.12 = 84,939.26/x - Step 3: Cross multiply
234,718.44x = 351,922.12 × 84,939.26 - Step 4: Simplify right side
234,718.44x = 29,892,004,450.43 - Step 5: Solve for x
x = 29,892,004,450.43/234,718.44 - Step 6: Final answer
x = 127,352.60
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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.