Finding the Fourth Proportional to 222,140.33, 306,456.26 and 130,213.02
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Solution
The fourth proportional to 222,140.33, 306,456.26 and 130,213.02 is: 179,636.88
Step by Step Solution
- Step 1: Write the proportion equation
222,140.33 : 306,456.26 = 130,213.02 : x - Step 2: Convert to fraction form
222,140.33/306,456.26 = 130,213.02/x - Step 3: Cross multiply
222,140.33x = 306,456.26 × 130,213.02 - Step 4: Simplify right side
222,140.33x = 39,904,594,461.44 - Step 5: Solve for x
x = 39,904,594,461.44/222,140.33 - Step 6: Final answer
x = 179,636.88
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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.