Finding the Fourth Proportional to 211,769.44, 292,251.36 and 126,884.68
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Solution
The fourth proportional to 211,769.44, 292,251.36 and 126,884.68 is: 175,106.57
Step by Step Solution
- Step 1: Write the proportion equation
211,769.44 : 292,251.36 = 126,884.68 : x - Step 2: Convert to fraction form
211,769.44/292,251.36 = 126,884.68/x - Step 3: Cross multiply
211,769.44x = 292,251.36 × 126,884.68 - Step 4: Simplify right side
211,769.44x = 37,082,220,293.16 - Step 5: Solve for x
x = 37,082,220,293.16/211,769.44 - Step 6: Final answer
x = 175,106.57
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1.5x scale
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.