Finding the Fourth Proportional to 234,682.71, 324,129.47 and 159,099.99
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Solution
The fourth proportional to 234,682.71, 324,129.47 and 159,099.99 is: 219,739.22
Step by Step Solution
- Step 1: Write the proportion equation
234,682.71 : 324,129.47 = 159,099.99 : x - Step 2: Convert to fraction form
234,682.71/324,129.47 = 159,099.99/x - Step 3: Cross multiply
234,682.71x = 324,129.47 × 159,099.99 - Step 4: Simplify right side
234,682.71x = 51,568,994,640.21 - Step 5: Solve for x
x = 51,568,994,640.21/234,682.71 - Step 6: Final answer
x = 219,739.22
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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.