Finding the Fourth Proportional to 222,295.13, 306,774.97 and 121,693.13
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Solution
The fourth proportional to 222,295.13, 306,774.97 and 121,693.13 is: 167,940.73
Step by Step Solution
- Step 1: Write the proportion equation
222,295.13 : 306,774.97 = 121,693.13 : x - Step 2: Convert to fraction form
222,295.13/306,774.97 = 121,693.13/x - Step 3: Cross multiply
222,295.13x = 306,774.97 × 121,693.13 - Step 4: Simplify right side
222,295.13x = 37,332,404,466.85 - Step 5: Solve for x
x = 37,332,404,466.85/222,295.13 - Step 6: Final answer
x = 167,940.73
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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.