Finding the Fourth Proportional to 211,771.44, 292,254.12 and 126,886.68
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Solution
The fourth proportional to 211,771.44, 292,254.12 and 126,886.68 is: 175,109.33
Step by Step Solution
- Step 1: Write the proportion equation
211,771.44 : 292,254.12 = 126,886.68 : x - Step 2: Convert to fraction form
211,771.44/292,254.12 = 126,886.68/x - Step 3: Cross multiply
211,771.44x = 292,254.12 × 126,886.68 - Step 4: Simplify right side
211,771.44x = 37,083,155,003.12 - Step 5: Solve for x
x = 37,083,155,003.12/211,771.44 - Step 6: Final answer
x = 175,109.33
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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.