Finding the Fourth Proportional to 84,391.92, 126,583.44 and 25,228.08
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Solution
The fourth proportional to 84,391.92, 126,583.44 and 25,228.08 is: 37,840.79
Step by Step Solution
- Step 1: Write the proportion equation
84,391.92 : 126,583.44 = 25,228.08 : x - Step 2: Convert to fraction form
84,391.92/126,583.44 = 25,228.08/x - Step 3: Cross multiply
84,391.92x = 126,583.44 × 25,228.08 - Step 4: Simplify right side
84,391.92x = 3,193,457,151.00 - Step 5: Solve for x
x = 3,193,457,151.00/84,391.92 - Step 6: Final answer
x = 37,840.79
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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.