Finding the Fourth Proportional to 135,617.44, 203,449.68 and 45,651.60
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Solution
The fourth proportional to 135,617.44, 203,449.68 and 45,651.60 is: 68,485.32
Step by Step Solution
- Step 1: Write the proportion equation
135,617.44 : 203,449.68 = 45,651.60 : x - Step 2: Convert to fraction form
135,617.44/203,449.68 = 45,651.60/x - Step 3: Cross multiply
135,617.44x = 203,449.68 × 45,651.60 - Step 4: Simplify right side
135,617.44x = 9,287,803,411.49 - Step 5: Solve for x
x = 9,287,803,411.49/135,617.44 - Step 6: Final answer
x = 68,485.32
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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.