Finding the Fourth Proportional to 191,786.50, 264,778.88 and 170,506.99
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Solution
The fourth proportional to 191,786.50, 264,778.88 and 170,506.99 is: 235,400.56
Step by Step Solution
- Step 1: Write the proportion equation
191,786.50 : 264,778.88 = 170,506.99 : x - Step 2: Convert to fraction form
191,786.50/264,778.88 = 170,506.99/x - Step 3: Cross multiply
191,786.50x = 264,778.88 × 170,506.99 - Step 4: Simplify right side
191,786.50x = 45,146,649,322.81 - Step 5: Solve for x
x = 45,146,649,322.81/191,786.50 - Step 6: Final answer
x = 235,400.56
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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.