Finding the Fourth Proportional to 300,368.63, 450,708.26 and 132,007.09
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Solution
The fourth proportional to 300,368.63, 450,708.26 and 132,007.09 is: 198,078.89
Step by Step Solution
- Step 1: Write the proportion equation
300,368.63 : 450,708.26 = 132,007.09 : x - Step 2: Convert to fraction form
300,368.63/450,708.26 = 132,007.09/x - Step 3: Cross multiply
300,368.63x = 450,708.26 × 132,007.09 - Step 4: Simplify right side
300,368.63x = 59,496,685,841.56 - Step 5: Solve for x
x = 59,496,685,841.56/300,368.63 - Step 6: Final answer
x = 198,078.89
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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.