Finding the Fourth Proportional to 181,624.76, 250,638.26 and 105,147.09
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Solution
The fourth proportional to 181,624.76, 250,638.26 and 105,147.09 is: 145,100.72
Step by Step Solution
- Step 1: Write the proportion equation
181,624.76 : 250,638.26 = 105,147.09 : x - Step 2: Convert to fraction form
181,624.76/250,638.26 = 105,147.09/x - Step 3: Cross multiply
181,624.76x = 250,638.26 × 105,147.09 - Step 4: Simplify right side
181,624.76x = 26,353,884,452.30 - Step 5: Solve for x
x = 26,353,884,452.30/181,624.76 - Step 6: Final answer
x = 145,100.72
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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.