Finding the Fourth Proportional to 191,256.69, 263,753.09 and 122,367.96
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Solution
The fourth proportional to 191,256.69, 263,753.09 and 122,367.96 is: 168,751.88
Step by Step Solution
- Step 1: Write the proportion equation
191,256.69 : 263,753.09 = 122,367.96 : x - Step 2: Convert to fraction form
191,256.69/263,753.09 = 122,367.96/x - Step 3: Cross multiply
191,256.69x = 263,753.09 × 122,367.96 - Step 4: Simplify right side
191,256.69x = 32,274,926,955.16 - Step 5: Solve for x
x = 32,274,926,955.16/191,256.69 - Step 6: Final answer
x = 168,751.88
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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.