Finding the Fourth Proportional to 324,330.75, 486,717.57 and 113,968.62
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Solution
The fourth proportional to 324,330.75, 486,717.57 and 113,968.62 is: 171,030.74
Step by Step Solution
- Step 1: Write the proportion equation
324,330.75 : 486,717.57 = 113,968.62 : x - Step 2: Convert to fraction form
324,330.75/486,717.57 = 113,968.62/x - Step 3: Cross multiply
324,330.75x = 486,717.57 × 113,968.62 - Step 4: Simplify right side
324,330.75x = 55,470,529,782.65 - Step 5: Solve for x
x = 55,470,529,782.65/324,330.75 - Step 6: Final answer
x = 171,030.74
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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.