Finding the Fourth Proportional to 226,504.88, 312,319.91 and 144,725.09
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Solution
The fourth proportional to 226,504.88, 312,319.91 and 144,725.09 is: 199,556.52
Step by Step Solution
- Step 1: Write the proportion equation
226,504.88 : 312,319.91 = 144,725.09 : x - Step 2: Convert to fraction form
226,504.88/312,319.91 = 144,725.09/x - Step 3: Cross multiply
226,504.88x = 312,319.91 × 144,725.09 - Step 4: Simplify right side
226,504.88x = 45,200,525,883.76 - Step 5: Solve for x
x = 45,200,525,883.76/226,504.88 - Step 6: Final answer
x = 199,556.52
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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.