Finding the Fourth Proportional to 312,736.99, 469,105.50 and 125,704.75
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Solution
The fourth proportional to 312,736.99, 469,105.50 and 125,704.75 is: 188,557.13
Step by Step Solution
- Step 1: Write the proportion equation
312,736.99 : 469,105.50 = 125,704.75 : x - Step 2: Convert to fraction form
312,736.99/469,105.50 = 125,704.75/x - Step 3: Cross multiply
312,736.99x = 469,105.50 × 125,704.75 - Step 4: Simplify right side
312,736.99x = 58,968,789,601.13 - Step 5: Solve for x
x = 58,968,789,601.13/312,736.99 - Step 6: Final answer
x = 188,557.13
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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.