Finding the Fourth Proportional to 127,213.74, 175,556.97 and 70,625.70
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Solution
The fourth proportional to 127,213.74, 175,556.97 and 70,625.70 is: 97,464.58
Step by Step Solution
- Step 1: Write the proportion equation
127,213.74 : 175,556.97 = 70,625.70 : x - Step 2: Convert to fraction form
127,213.74/175,556.97 = 70,625.70/x - Step 3: Cross multiply
127,213.74x = 175,556.97 × 70,625.70 - Step 4: Simplify right side
127,213.74x = 12,398,833,896.13 - Step 5: Solve for x
x = 12,398,833,896.13/127,213.74 - Step 6: Final answer
x = 97,464.58
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1.5x scale
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.