Finding the Fourth Proportional to 327,078.44, 490,808.01 and 137,525.07
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Solution
The fourth proportional to 327,078.44, 490,808.01 and 137,525.07 is: 206,367.64
Step by Step Solution
- Step 1: Write the proportion equation
327,078.44 : 490,808.01 = 137,525.07 : x - Step 2: Convert to fraction form
327,078.44/490,808.01 = 137,525.07/x - Step 3: Cross multiply
327,078.44x = 490,808.01 × 137,525.07 - Step 4: Simplify right side
327,078.44x = 67,498,405,244.19 - Step 5: Solve for x
x = 67,498,405,244.19/327,078.44 - Step 6: Final answer
x = 206,367.64
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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.