Finding the Fourth Proportional to 111,269.68, 166,904.64 and 28,163.68
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Solution
The fourth proportional to 111,269.68, 166,904.64 and 28,163.68 is: 42,245.55
Step by Step Solution
- Step 1: Write the proportion equation
111,269.68 : 166,904.64 = 28,163.68 : x - Step 2: Convert to fraction form
111,269.68/166,904.64 = 28,163.68/x - Step 3: Cross multiply
111,269.68x = 166,904.64 × 28,163.68 - Step 4: Simplify right side
111,269.68x = 4,700,648,871.48 - Step 5: Solve for x
x = 4,700,648,871.48/111,269.68 - Step 6: Final answer
x = 42,245.55
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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.