Finding the Fourth Proportional to 415,140.24, 622,797.60 and 134,635.44
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Solution
The fourth proportional to 415,140.24, 622,797.60 and 134,635.44 is: 201,981.45
Step by Step Solution
- Step 1: Write the proportion equation
415,140.24 : 622,797.60 = 134,635.44 : x - Step 2: Convert to fraction form
415,140.24/622,797.60 = 134,635.44/x - Step 3: Cross multiply
415,140.24x = 622,797.60 × 134,635.44 - Step 4: Simplify right side
415,140.24x = 83,850,628,906.94 - Step 5: Solve for x
x = 83,850,628,906.94/415,140.24 - Step 6: Final answer
x = 201,981.45
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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.