Finding the Fourth Proportional to 246,201.20, 369,301.80 and 79,989.20
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Solution
The fourth proportional to 246,201.20, 369,301.80 and 79,989.20 is: 119,983.80
Step by Step Solution
- Step 1: Write the proportion equation
246,201.20 : 369,301.80 = 79,989.20 : x - Step 2: Convert to fraction form
246,201.20/369,301.80 = 79,989.20/x - Step 3: Cross multiply
246,201.20x = 369,301.80 × 79,989.20 - Step 4: Simplify right side
246,201.20x = 29,540,155,540.56 - Step 5: Solve for x
x = 29,540,155,540.56/246,201.20 - Step 6: Final answer
x = 119,983.80
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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.