Finding the Fourth Proportional to 273,936.94, 410,905.41 and 74,257.32
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Solution
The fourth proportional to 273,936.94, 410,905.41 and 74,257.32 is: 111,385.99
Step by Step Solution
- Step 1: Write the proportion equation
273,936.94 : 410,905.41 = 74,257.32 : x - Step 2: Convert to fraction form
273,936.94/410,905.41 = 74,257.32/x - Step 3: Cross multiply
273,936.94x = 410,905.41 × 74,257.32 - Step 4: Simplify right side
273,936.94x = 30,512,735,782.53 - Step 5: Solve for x
x = 30,512,735,782.53/273,936.94 - Step 6: Final answer
x = 111,385.99
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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.