Finding the Fourth Proportional to 321,786.36, 444,029.58 and 178,510.68
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Solution
The fourth proportional to 321,786.36, 444,029.58 and 178,510.68 is: 246,324.99
Step by Step Solution
- Step 1: Write the proportion equation
321,786.36 : 444,029.58 = 178,510.68 : x - Step 2: Convert to fraction form
321,786.36/444,029.58 = 178,510.68/x - Step 3: Cross multiply
321,786.36x = 444,029.58 × 178,510.68 - Step 4: Simplify right side
321,786.36x = 79,264,022,265.91 - Step 5: Solve for x
x = 79,264,022,265.91/321,786.36 - Step 6: Final answer
x = 246,324.99
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1.5x scale
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.