Finding the Fourth Proportional to 327,161.64, 490,741.71 and 102,539.19
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Solution
The fourth proportional to 327,161.64, 490,741.71 and 102,539.19 is: 153,808.55
Step by Step Solution
- Step 1: Write the proportion equation
327,161.64 : 490,741.71 = 102,539.19 : x - Step 2: Convert to fraction form
327,161.64/490,741.71 = 102,539.19/x - Step 3: Cross multiply
327,161.64x = 490,741.71 × 102,539.19 - Step 4: Simplify right side
327,161.64x = 50,320,257,442.61 - Step 5: Solve for x
x = 50,320,257,442.61/327,161.64 - Step 6: Final answer
x = 153,808.55
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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.