Finding the Fourth Proportional to 297,745.67, 446,367.45 and 129,139.05
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Solution
The fourth proportional to 297,745.67, 446,367.45 and 129,139.05 is: 193,599.69
Step by Step Solution
- Step 1: Write the proportion equation
297,745.67 : 446,367.45 = 129,139.05 : x - Step 2: Convert to fraction form
297,745.67/446,367.45 = 129,139.05/x - Step 3: Cross multiply
297,745.67x = 446,367.45 × 129,139.05 - Step 4: Simplify right side
297,745.67x = 57,643,468,443.92 - Step 5: Solve for x
x = 57,643,468,443.92/297,745.67 - Step 6: Final answer
x = 193,599.69
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1.5x scale
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.