Finding the Fourth Proportional to 84,494.80, 126,735.60 and 22,163.68
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Solution
The fourth proportional to 84,494.80, 126,735.60 and 22,163.68 is: 33,243.79
Step by Step Solution
- Step 1: Write the proportion equation
84,494.80 : 126,735.60 = 22,163.68 : x - Step 2: Convert to fraction form
84,494.80/126,735.60 = 22,163.68/x - Step 3: Cross multiply
84,494.80x = 126,735.60 × 22,163.68 - Step 4: Simplify right side
84,494.80x = 2,808,927,283.01 - Step 5: Solve for x
x = 2,808,927,283.01/84,494.80 - Step 6: Final answer
x = 33,243.79
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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.