Finding the Fourth Proportional to 225,921.26, 311,771.50 and 125,319.26
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Solution
The fourth proportional to 225,921.26, 311,771.50 and 125,319.26 is: 172,940.67
Step by Step Solution
- Step 1: Write the proportion equation
225,921.26 : 311,771.50 = 125,319.26 : x - Step 2: Convert to fraction form
225,921.26/311,771.50 = 125,319.26/x - Step 3: Cross multiply
225,921.26x = 311,771.50 × 125,319.26 - Step 4: Simplify right side
225,921.26x = 39,070,973,669.09 - Step 5: Solve for x
x = 39,070,973,669.09/225,921.26 - Step 6: Final answer
x = 172,940.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.