Finding the Fourth Proportional to 111,278.08, 166,944.48 and 32,392.99
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Solution
The fourth proportional to 111,278.08, 166,944.48 and 32,392.99 is: 48,597.45
Step by Step Solution
- Step 1: Write the proportion equation
111,278.08 : 166,944.48 = 32,392.99 : x - Step 2: Convert to fraction form
111,278.08/166,944.48 = 32,392.99/x - Step 3: Cross multiply
111,278.08x = 166,944.48 × 32,392.99 - Step 4: Simplify right side
111,278.08x = 5,407,830,871.20 - Step 5: Solve for x
x = 5,407,830,871.20/111,278.08 - Step 6: Final answer
x = 48,597.45
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1.5x scale
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.