Finding the Fourth Proportional to 211,749.97, 317,558.04 and 69,571.90
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Solution
The fourth proportional to 211,749.97, 317,558.04 and 69,571.90 is: 104,335.86
Step by Step Solution
- Step 1: Write the proportion equation
211,749.97 : 317,558.04 = 69,571.90 : x - Step 2: Convert to fraction form
211,749.97/317,558.04 = 69,571.90/x - Step 3: Cross multiply
211,749.97x = 317,558.04 × 69,571.90 - Step 4: Simplify right side
211,749.97x = 22,093,116,203.08 - Step 5: Solve for x
x = 22,093,116,203.08/211,749.97 - Step 6: Final answer
x = 104,335.86
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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.