Finding the Fourth Proportional to 327,161.57, 490,741.61 and 102,539.12
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Solution
The fourth proportional to 327,161.57, 490,741.61 and 102,539.12 is: 153,808.45
Step by Step Solution
- Step 1: Write the proportion equation
327,161.57 : 490,741.61 = 102,539.12 : x - Step 2: Convert to fraction form
327,161.57/490,741.61 = 102,539.12/x - Step 3: Cross multiply
327,161.57x = 490,741.61 × 102,539.12 - Step 4: Simplify right side
327,161.57x = 50,320,214,319.99 - Step 5: Solve for x
x = 50,320,214,319.99/327,161.57 - Step 6: Final answer
x = 153,808.45
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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.