Finding the Fourth Proportional to 301,968.09, 416,723.99 and 164,156.28
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Solution
The fourth proportional to 301,968.09, 416,723.99 and 164,156.28 is: 226,540.03
Step by Step Solution
- Step 1: Write the proportion equation
301,968.09 : 416,723.99 = 164,156.28 : x - Step 2: Convert to fraction form
301,968.09/416,723.99 = 164,156.28/x - Step 3: Cross multiply
301,968.09x = 416,723.99 × 164,156.28 - Step 4: Simplify right side
301,968.09x = 68,407,859,164.38 - Step 5: Solve for x
x = 68,407,859,164.38/301,968.09 - Step 6: Final answer
x = 226,540.03
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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.