Finding the Fourth Proportional to 327,161.82, 490,742.84 and 102,539.68
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Solution
The fourth proportional to 327,161.82, 490,742.84 and 102,539.68 is: 153,809.55
Step by Step Solution
- Step 1: Write the proportion equation
327,161.82 : 490,742.84 = 102,539.68 : x - Step 2: Convert to fraction form
327,161.82/490,742.84 = 102,539.68/x - Step 3: Cross multiply
327,161.82x = 490,742.84 × 102,539.68 - Step 4: Simplify right side
327,161.82x = 50,320,613,775.89 - Step 5: Solve for x
x = 50,320,613,775.89/327,161.82 - Step 6: Final answer
x = 153,809.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.