Finding the Fourth Proportional to 303,405.67, 455,311.67 and 125,912.85
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Solution
The fourth proportional to 303,405.67, 455,311.67 and 125,912.85 is: 188,953.59
Step by Step Solution
- Step 1: Write the proportion equation
303,405.67 : 455,311.67 = 125,912.85 : x - Step 2: Convert to fraction form
303,405.67/455,311.67 = 125,912.85/x - Step 3: Cross multiply
303,405.67x = 455,311.67 × 125,912.85 - Step 4: Simplify right side
303,405.67x = 57,329,590,007.96 - Step 5: Solve for x
x = 57,329,590,007.96/303,405.67 - Step 6: Final answer
x = 188,953.59
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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.