Finding the Fourth Proportional to 259,163.35, 388,797.84 and 146,893.70
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Solution
The fourth proportional to 259,163.35, 388,797.84 and 146,893.70 is: 220,370.49
Step by Step Solution
- Step 1: Write the proportion equation
259,163.35 : 388,797.84 = 146,893.70 : x - Step 2: Convert to fraction form
259,163.35/388,797.84 = 146,893.70/x - Step 3: Cross multiply
259,163.35x = 388,797.84 × 146,893.70 - Step 4: Simplify right side
259,163.35x = 57,111,954,241.60 - Step 5: Solve for x
x = 57,111,954,241.60/259,163.35 - Step 6: Final answer
x = 220,370.49
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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.