Finding the Fourth Proportional to 283,785.71, 425,745.38 and 84,107.75
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Solution
The fourth proportional to 283,785.71, 425,745.38 and 84,107.75 is: 126,181.42
Step by Step Solution
- Step 1: Write the proportion equation
283,785.71 : 425,745.38 = 84,107.75 : x - Step 2: Convert to fraction form
283,785.71/425,745.38 = 84,107.75/x - Step 3: Cross multiply
283,785.71x = 425,745.38 × 84,107.75 - Step 4: Simplify right side
283,785.71x = 35,808,484,066.24 - Step 5: Solve for x
x = 35,808,484,066.24/283,785.71 - Step 6: Final answer
x = 126,181.42
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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.