Finding the Fourth Proportional to 324,224.80, 486,106.80 and 146,816.80
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Solution
The fourth proportional to 324,224.80, 486,106.80 and 146,816.80 is: 220,120.87
Step by Step Solution
- Step 1: Write the proportion equation
324,224.80 : 486,106.80 = 146,816.80 : x - Step 2: Convert to fraction form
324,224.80/486,106.80 = 146,816.80/x - Step 3: Cross multiply
324,224.80x = 486,106.80 × 146,816.80 - Step 4: Simplify right side
324,224.80x = 71,368,644,834.24 - Step 5: Solve for x
x = 71,368,644,834.24/324,224.80 - Step 6: Final answer
x = 220,120.87
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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.