Finding the Fourth Proportional to 211,719.88, 292,162.70 and 125,682.54
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Solution
The fourth proportional to 211,719.88, 292,162.70 and 125,682.54 is: 173,435.53
Step by Step Solution
- Step 1: Write the proportion equation
211,719.88 : 292,162.70 = 125,682.54 : x - Step 2: Convert to fraction form
211,719.88/292,162.70 = 125,682.54/x - Step 3: Cross multiply
211,719.88x = 292,162.70 × 125,682.54 - Step 4: Simplify right side
211,719.88x = 36,719,750,229.26 - Step 5: Solve for x
x = 36,719,750,229.26/211,719.88 - Step 6: Final answer
x = 173,435.53
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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.