Finding the Fourth Proportional to 211,693.09, 292,003.58 and 125,591.11
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Solution
The fourth proportional to 211,693.09, 292,003.58 and 125,591.11 is: 173,236.90
Step by Step Solution
- Step 1: Write the proportion equation
211,693.09 : 292,003.58 = 125,591.11 : x - Step 2: Convert to fraction form
211,693.09/292,003.58 = 125,591.11/x - Step 3: Cross multiply
211,693.09x = 292,003.58 × 125,591.11 - Step 4: Simplify right side
211,693.09x = 36,673,053,630.21 - Step 5: Solve for x
x = 36,673,053,630.21/211,693.09 - Step 6: Final answer
x = 173,236.90
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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.