Finding the Fourth Proportional to 327,386.24, 490,448.64 and 274,163.84
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Solution
The fourth proportional to 327,386.24, 490,448.64 and 274,163.84 is: 410,717.57
Step by Step Solution
- Step 1: Write the proportion equation
327,386.24 : 490,448.64 = 274,163.84 : x - Step 2: Convert to fraction form
327,386.24/490,448.64 = 274,163.84/x - Step 3: Cross multiply
327,386.24x = 490,448.64 × 274,163.84 - Step 4: Simplify right side
327,386.24x = 134,463,282,465.18 - Step 5: Solve for x
x = 134,463,282,465.18/327,386.24 - Step 6: Final answer
x = 410,717.57
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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.