Finding the Fourth Proportional to 190,845.12, 286,313.76 and 66,183.36
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Solution
The fourth proportional to 190,845.12, 286,313.76 and 66,183.36 is: 99,291.02
Step by Step Solution
- Step 1: Write the proportion equation
190,845.12 : 286,313.76 = 66,183.36 : x - Step 2: Convert to fraction form
190,845.12/286,313.76 = 66,183.36/x - Step 3: Cross multiply
190,845.12x = 286,313.76 × 66,183.36 - Step 4: Simplify right side
190,845.12x = 18,949,206,651.03 - Step 5: Solve for x
x = 18,949,206,651.03/190,845.12 - Step 6: Final answer
x = 99,291.02
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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.