Finding the Fourth Proportional to 222,295.26, 306,767.47 and 121,693.26
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Solution
The fourth proportional to 222,295.26, 306,767.47 and 121,693.26 is: 167,936.70
Step by Step Solution
- Step 1: Write the proportion equation
222,295.26 : 306,767.47 = 121,693.26 : x - Step 2: Convert to fraction form
222,295.26/306,767.47 = 121,693.26/x - Step 3: Cross multiply
222,295.26x = 306,767.47 × 121,693.26 - Step 4: Simplify right side
222,295.26x = 37,331,533,486.25 - Step 5: Solve for x
x = 37,331,533,486.25/222,295.26 - Step 6: Final answer
x = 167,936.70
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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.