Finding the Fourth Proportional to 568,201.36, 784,162.20 and 326,568.28
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Solution
The fourth proportional to 568,201.36, 784,162.20 and 326,568.28 is: 450,689.70
Step by Step Solution
- Step 1: Write the proportion equation
568,201.36 : 784,162.20 = 326,568.28 : x - Step 2: Convert to fraction form
568,201.36/784,162.20 = 326,568.28/x - Step 3: Cross multiply
568,201.36x = 784,162.20 × 326,568.28 - Step 4: Simplify right side
568,201.36x = 256,082,500,895.02 - Step 5: Solve for x
x = 256,082,500,895.02/568,201.36 - Step 6: Final answer
x = 450,689.70
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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.