Finding the Fourth Proportional to 303,424.30, 455,318.70 and 125,912.80
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Solution
The fourth proportional to 303,424.30, 455,318.70 and 125,912.80 is: 188,944.83
Step by Step Solution
- Step 1: Write the proportion equation
303,424.30 : 455,318.70 = 125,912.80 : x - Step 2: Convert to fraction form
303,424.30/455,318.70 = 125,912.80/x - Step 3: Cross multiply
303,424.30x = 455,318.70 × 125,912.80 - Step 4: Simplify right side
303,424.30x = 57,330,452,409.36 - Step 5: Solve for x
x = 57,330,452,409.36/303,424.30 - Step 6: Final answer
x = 188,944.83
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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.