Finding the Fourth Proportional to 234,863.30, 324,195.41 and 139,369.99
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Solution
The fourth proportional to 234,863.30, 324,195.41 and 139,369.99 is: 192,380.47
Step by Step Solution
- Step 1: Write the proportion equation
234,863.30 : 324,195.41 = 139,369.99 : x - Step 2: Convert to fraction form
234,863.30/324,195.41 = 139,369.99/x - Step 3: Cross multiply
234,863.30x = 324,195.41 × 139,369.99 - Step 4: Simplify right side
234,863.30x = 45,183,112,107.35 - Step 5: Solve for x
x = 45,183,112,107.35/234,863.30 - Step 6: Final answer
x = 192,380.47
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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.