Finding the Fourth Proportional to 314,163.26, 471,249.76 and 298,212.74
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Solution
The fourth proportional to 314,163.26, 471,249.76 and 298,212.74 is: 447,323.73
Step by Step Solution
- Step 1: Write the proportion equation
314,163.26 : 471,249.76 = 298,212.74 : x - Step 2: Convert to fraction form
314,163.26/471,249.76 = 298,212.74/x - Step 3: Cross multiply
314,163.26x = 471,249.76 × 298,212.74 - Step 4: Simplify right side
314,163.26x = 140,532,682,153.94 - Step 5: Solve for x
x = 140,532,682,153.94/314,163.26 - Step 6: Final answer
x = 447,323.73
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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.