Finding the Fourth Proportional to 82,303.09, 122,735.24 and 73,231.09
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Solution
The fourth proportional to 82,303.09, 122,735.24 and 73,231.09 is: 109,206.54
Step by Step Solution
- Step 1: Write the proportion equation
82,303.09 : 122,735.24 = 73,231.09 : x - Step 2: Convert to fraction form
82,303.09/122,735.24 = 73,231.09/x - Step 3: Cross multiply
82,303.09x = 122,735.24 × 73,231.09 - Step 4: Simplify right side
82,303.09x = 8,988,035,406.61 - Step 5: Solve for x
x = 8,988,035,406.61/82,303.09 - Step 6: Final answer
x = 109,206.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.