Finding the Fourth Proportional to 324,107.40, 486,161.10 and 181,806.60
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Solution
The fourth proportional to 324,107.40, 486,161.10 and 181,806.60 is: 272,709.90
Step by Step Solution
- Step 1: Write the proportion equation
324,107.40 : 486,161.10 = 181,806.60 : x - Step 2: Convert to fraction form
324,107.40/486,161.10 = 181,806.60/x - Step 3: Cross multiply
324,107.40x = 486,161.10 × 181,806.60 - Step 4: Simplify right side
324,107.40x = 88,387,296,643.26 - Step 5: Solve for x
x = 88,387,296,643.26/324,107.40 - Step 6: Final answer
x = 272,709.90
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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.