Finding the Fourth Proportional to 191,786.75, 264,669.19 and 106,894.70
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Solution
The fourth proportional to 191,786.75, 264,669.19 and 106,894.70 is: 147,516.62
Step by Step Solution
- Step 1: Write the proportion equation
191,786.75 : 264,669.19 = 106,894.70 : x - Step 2: Convert to fraction form
191,786.75/264,669.19 = 106,894.70/x - Step 3: Cross multiply
191,786.75x = 264,669.19 × 106,894.70 - Step 4: Simplify right side
191,786.75x = 28,291,733,664.29 - Step 5: Solve for x
x = 28,291,733,664.29/191,786.75 - Step 6: Final answer
x = 147,516.62
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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.