Finding the Fourth Proportional to 196,441.28, 294,790.98 and 107,757.08
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Solution
The fourth proportional to 196,441.28, 294,790.98 and 107,757.08 is: 161,706.42
Step by Step Solution
- Step 1: Write the proportion equation
196,441.28 : 294,790.98 = 107,757.08 : x - Step 2: Convert to fraction form
196,441.28/294,790.98 = 107,757.08/x - Step 3: Cross multiply
196,441.28x = 294,790.98 × 107,757.08 - Step 4: Simplify right side
196,441.28x = 31,765,815,215.14 - Step 5: Solve for x
x = 31,765,815,215.14/196,441.28 - Step 6: Final answer
x = 161,706.42
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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.