Finding the Fourth Proportional to 413,629.44, 620,419.44 and 147,375.84
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Solution
The fourth proportional to 413,629.44, 620,419.44 and 147,375.84 is: 221,054.95
Step by Step Solution
- Step 1: Write the proportion equation
413,629.44 : 620,419.44 = 147,375.84 : x - Step 2: Convert to fraction form
413,629.44/620,419.44 = 147,375.84/x - Step 3: Cross multiply
413,629.44x = 620,419.44 × 147,375.84 - Step 4: Simplify right side
413,629.44x = 91,434,836,122.33 - Step 5: Solve for x
x = 91,434,836,122.33/413,629.44 - Step 6: Final answer
x = 221,054.95
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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.