Finding the Fourth Proportional to 281,821.63, 422,609.56 and 106,594.75
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Solution
The fourth proportional to 281,821.63, 422,609.56 and 106,594.75 is: 159,845.65
Step by Step Solution
- Step 1: Write the proportion equation
281,821.63 : 422,609.56 = 106,594.75 : x - Step 2: Convert to fraction form
281,821.63/422,609.56 = 106,594.75/x - Step 3: Cross multiply
281,821.63x = 422,609.56 × 106,594.75 - Step 4: Simplify right side
281,821.63x = 45,047,960,395.81 - Step 5: Solve for x
x = 45,047,960,395.81/281,821.63 - Step 6: Final answer
x = 159,845.65
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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.