Finding the Fourth Proportional to 191,004.75, 263,615.72 and 115,596.99
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Solution
The fourth proportional to 191,004.75, 263,615.72 and 115,596.99 is: 159,541.49
Step by Step Solution
- Step 1: Write the proportion equation
191,004.75 : 263,615.72 = 115,596.99 : x - Step 2: Convert to fraction form
191,004.75/263,615.72 = 115,596.99/x - Step 3: Cross multiply
191,004.75x = 263,615.72 × 115,596.99 - Step 4: Simplify right side
191,004.75x = 30,473,183,170.70 - Step 5: Solve for x
x = 30,473,183,170.70/191,004.75 - Step 6: Final answer
x = 159,541.49
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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.