Finding the Fourth Proportional to 146,509.75, 202,193.58 and 82,847.80
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Solution
The fourth proportional to 146,509.75, 202,193.58 and 82,847.80 is: 114,335.69
Step by Step Solution
- Step 1: Write the proportion equation
146,509.75 : 202,193.58 = 82,847.80 : x - Step 2: Convert to fraction form
146,509.75/202,193.58 = 82,847.80/x - Step 3: Cross multiply
146,509.75x = 202,193.58 × 82,847.80 - Step 4: Simplify right side
146,509.75x = 16,751,293,277.12 - Step 5: Solve for x
x = 16,751,293,277.12/146,509.75 - Step 6: Final answer
x = 114,335.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.