Finding the Fourth Proportional to 281,968.68, 422,693.70 and 121,944.36
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Solution
The fourth proportional to 281,968.68, 422,693.70 and 121,944.36 is: 182,804.39
Step by Step Solution
- Step 1: Write the proportion equation
281,968.68 : 422,693.70 = 121,944.36 : x - Step 2: Convert to fraction form
281,968.68/422,693.70 = 121,944.36/x - Step 3: Cross multiply
281,968.68x = 422,693.70 × 121,944.36 - Step 4: Simplify right side
281,968.68x = 51,545,112,722.53 - Step 5: Solve for x
x = 51,545,112,722.53/281,968.68 - Step 6: Final answer
x = 182,804.39
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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.