Finding the Fourth Proportional to 300,133.92, 450,201.61 and 122,640.92
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Solution
The fourth proportional to 300,133.92, 450,201.61 and 122,640.92 is: 183,961.67
Step by Step Solution
- Step 1: Write the proportion equation
300,133.92 : 450,201.61 = 122,640.92 : x - Step 2: Convert to fraction form
300,133.92/450,201.61 = 122,640.92/x - Step 3: Cross multiply
300,133.92x = 450,201.61 × 122,640.92 - Step 4: Simplify right side
300,133.92x = 55,213,139,226.43 - Step 5: Solve for x
x = 55,213,139,226.43/300,133.92 - Step 6: Final answer
x = 183,961.67
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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.