Finding the Fourth Proportional to 181,556.58, 250,372.17 and 121,129.68
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Solution
The fourth proportional to 181,556.58, 250,372.17 and 121,129.68 is: 167,041.60
Step by Step Solution
- Step 1: Write the proportion equation
181,556.58 : 250,372.17 = 121,129.68 : x - Step 2: Convert to fraction form
181,556.58/250,372.17 = 121,129.68/x - Step 3: Cross multiply
181,556.58x = 250,372.17 × 121,129.68 - Step 4: Simplify right side
181,556.58x = 30,327,500,833.01 - Step 5: Solve for x
x = 30,327,500,833.01/181,556.58 - Step 6: Final answer
x = 167,041.60
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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.