Finding the Fourth Proportional to 111,577.14, 167,365.68 and 28,471.14
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Solution
The fourth proportional to 111,577.14, 167,365.68 and 28,471.14 is: 42,706.70
Step by Step Solution
- Step 1: Write the proportion equation
111,577.14 : 167,365.68 = 28,471.14 : x - Step 2: Convert to fraction form
111,577.14/167,365.68 = 28,471.14/x - Step 3: Cross multiply
111,577.14x = 167,365.68 × 28,471.14 - Step 4: Simplify right side
111,577.14x = 4,765,091,706.48 - Step 5: Solve for x
x = 4,765,091,706.48/111,577.14 - Step 6: Final answer
x = 42,706.70
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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.