Finding the Fourth Proportional to 135,318.14, 203,007.11 and 40,544.46
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Solution
The fourth proportional to 135,318.14, 203,007.11 and 40,544.46 is: 60,825.65
Step by Step Solution
- Step 1: Write the proportion equation
135,318.14 : 203,007.11 = 40,544.46 : x - Step 2: Convert to fraction form
135,318.14/203,007.11 = 40,544.46/x - Step 3: Cross multiply
135,318.14x = 203,007.11 × 40,544.46 - Step 4: Simplify right side
135,318.14x = 8,230,813,651.11 - Step 5: Solve for x
x = 8,230,813,651.11/135,318.14 - Step 6: Final answer
x = 60,825.65
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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.