Finding the Fourth Proportional to 321,938.99, 444,295.97 and 178,701.42
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Solution
The fourth proportional to 321,938.99, 444,295.97 and 178,701.42 is: 246,619.15
Step by Step Solution
- Step 1: Write the proportion equation
321,938.99 : 444,295.97 = 178,701.42 : x - Step 2: Convert to fraction form
321,938.99/444,295.97 = 178,701.42/x - Step 3: Cross multiply
321,938.99x = 444,295.97 × 178,701.42 - Step 4: Simplify right side
321,938.99x = 79,396,320,739.28 - Step 5: Solve for x
x = 79,396,320,739.28/321,938.99 - Step 6: Final answer
x = 246,619.15
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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.