Finding the Fourth Proportional to 222,308.26, 306,785.40 and 121,706.26
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Solution
The fourth proportional to 222,308.26, 306,785.40 and 121,706.26 is: 167,954.64
Step by Step Solution
- Step 1: Write the proportion equation
222,308.26 : 306,785.40 = 121,706.26 : x - Step 2: Convert to fraction form
222,308.26/306,785.40 = 121,706.26/x - Step 3: Cross multiply
222,308.26x = 306,785.40 × 121,706.26 - Step 4: Simplify right side
222,308.26x = 37,337,703,656.60 - Step 5: Solve for x
x = 37,337,703,656.60/222,308.26 - Step 6: Final answer
x = 167,954.64
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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.