Finding the Fourth Proportional to 207,164.22, 285,724.20 and 141,791.79
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Solution
The fourth proportional to 207,164.22, 285,724.20 and 141,791.79 is: 195,561.50
Step by Step Solution
- Step 1: Write the proportion equation
207,164.22 : 285,724.20 = 141,791.79 : x - Step 2: Convert to fraction form
207,164.22/285,724.20 = 141,791.79/x - Step 3: Cross multiply
207,164.22x = 285,724.20 × 141,791.79 - Step 4: Simplify right side
207,164.22x = 40,513,345,224.57 - Step 5: Solve for x
x = 40,513,345,224.57/207,164.22 - Step 6: Final answer
x = 195,561.50
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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.