Finding the Fourth Proportional to 111,481.23, 167,178.29 and 40,386.99
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Solution
The fourth proportional to 111,481.23, 167,178.29 and 40,386.99 is: 60,564.70
Step by Step Solution
- Step 1: Write the proportion equation
111,481.23 : 167,178.29 = 40,386.99 : x - Step 2: Convert to fraction form
111,481.23/167,178.29 = 40,386.99/x - Step 3: Cross multiply
111,481.23x = 167,178.29 × 40,386.99 - Step 4: Simplify right side
111,481.23x = 6,751,827,724.51 - Step 5: Solve for x
x = 6,751,827,724.51/111,481.23 - Step 6: Final answer
x = 60,564.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.