Finding the Fourth Proportional to 111,862.44, 154,370.17 and 61,561.44
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Solution
The fourth proportional to 111,862.44, 154,370.17 and 61,561.44 is: 84,954.79
Step by Step Solution
- Step 1: Write the proportion equation
111,862.44 : 154,370.17 = 61,561.44 : x - Step 2: Convert to fraction form
111,862.44/154,370.17 = 61,561.44/x - Step 3: Cross multiply
111,862.44x = 154,370.17 × 61,561.44 - Step 4: Simplify right side
111,862.44x = 9,503,249,958.24 - Step 5: Solve for x
x = 9,503,249,958.24/111,862.44 - Step 6: Final answer
x = 84,954.79
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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.