Finding the Fourth Proportional to 113,642.97, 170,515.94 and 49,620.97
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Solution
The fourth proportional to 113,642.97, 170,515.94 and 49,620.97 is: 74,453.94
Step by Step Solution
- Step 1: Write the proportion equation
113,642.97 : 170,515.94 = 49,620.97 : x - Step 2: Convert to fraction form
113,642.97/170,515.94 = 49,620.97/x - Step 3: Cross multiply
113,642.97x = 170,515.94 × 49,620.97 - Step 4: Simplify right side
113,642.97x = 8,461,166,308.30 - Step 5: Solve for x
x = 8,461,166,308.30/113,642.97 - Step 6: Final answer
x = 74,453.94
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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.