Finding the Fourth Proportional to 303,324.30, 455,168.70 and 125,812.80
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Solution
The fourth proportional to 303,324.30, 455,168.70 and 125,812.80 is: 188,794.79
Step by Step Solution
- Step 1: Write the proportion equation
303,324.30 : 455,168.70 = 125,812.80 : x - Step 2: Convert to fraction form
303,324.30/455,168.70 = 125,812.80/x - Step 3: Cross multiply
303,324.30x = 455,168.70 × 125,812.80 - Step 4: Simplify right side
303,324.30x = 57,266,048,619.36 - Step 5: Solve for x
x = 57,266,048,619.36/303,324.30 - Step 6: Final answer
x = 188,794.79
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1.5x scale
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.