Finding the Fourth Proportional to 227,090.97, 313,370.49 and 136,450.75
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Solution
The fourth proportional to 227,090.97, 313,370.49 and 136,450.75 is: 188,292.99
Step by Step Solution
- Step 1: Write the proportion equation
227,090.97 : 313,370.49 = 136,450.75 : x - Step 2: Convert to fraction form
227,090.97/313,370.49 = 136,450.75/x - Step 3: Cross multiply
227,090.97x = 313,370.49 × 136,450.75 - Step 4: Simplify right side
227,090.97x = 42,759,638,388.37 - Step 5: Solve for x
x = 42,759,638,388.37/227,090.97 - Step 6: Final answer
x = 188,292.99
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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.