Finding the Fourth Proportional to 104,728.36, 157,107.12 and 33,653.12
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Solution
The fourth proportional to 104,728.36, 157,107.12 and 33,653.12 is: 50,484.37
Step by Step Solution
- Step 1: Write the proportion equation
104,728.36 : 157,107.12 = 33,653.12 : x - Step 2: Convert to fraction form
104,728.36/157,107.12 = 33,653.12/x - Step 3: Cross multiply
104,728.36x = 157,107.12 × 33,653.12 - Step 4: Simplify right side
104,728.36x = 5,287,144,762.21 - Step 5: Solve for x
x = 5,287,144,762.21/104,728.36 - Step 6: Final answer
x = 50,484.37
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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.