Finding the Fourth Proportional to 211,518.94, 317,361.50 and 93,107.26
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Solution
The fourth proportional to 211,518.94, 317,361.50 and 93,107.26 is: 139,697.46
Step by Step Solution
- Step 1: Write the proportion equation
211,518.94 : 317,361.50 = 93,107.26 : x - Step 2: Convert to fraction form
211,518.94/317,361.50 = 93,107.26/x - Step 3: Cross multiply
211,518.94x = 317,361.50 × 93,107.26 - Step 4: Simplify right side
211,518.94x = 29,548,659,694.49 - Step 5: Solve for x
x = 29,548,659,694.49/211,518.94 - Step 6: Final answer
x = 139,697.46
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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.