Finding the Fourth Proportional to 212,771.37, 293,620.99 and 117,286.95
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Solution
The fourth proportional to 212,771.37, 293,620.99 and 117,286.95 is: 161,854.06
Step by Step Solution
- Step 1: Write the proportion equation
212,771.37 : 293,620.99 = 117,286.95 : x - Step 2: Convert to fraction form
212,771.37/293,620.99 = 117,286.95/x - Step 3: Cross multiply
212,771.37x = 293,620.99 × 117,286.95 - Step 4: Simplify right side
212,771.37x = 34,437,909,786.65 - Step 5: Solve for x
x = 34,437,909,786.65/212,771.37 - Step 6: Final answer
x = 161,854.06
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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.