Finding the Fourth Proportional to 213,597.09, 320,444.24 and 113,704.65
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Solution
The fourth proportional to 213,597.09, 320,444.24 and 113,704.65 is: 170,582.85
Step by Step Solution
- Step 1: Write the proportion equation
213,597.09 : 320,444.24 = 113,704.65 : x - Step 2: Convert to fraction form
213,597.09/320,444.24 = 113,704.65/x - Step 3: Cross multiply
213,597.09x = 320,444.24 × 113,704.65 - Step 4: Simplify right side
213,597.09x = 36,435,999,585.19 - Step 5: Solve for x
x = 36,435,999,585.19/213,597.09 - Step 6: Final answer
x = 170,582.85
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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.