Finding the Fourth Proportional to 222,135.23, 306,449.24 and 130,207.91
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Solution
The fourth proportional to 222,135.23, 306,449.24 and 130,207.91 is: 179,629.82
Step by Step Solution
- Step 1: Write the proportion equation
222,135.23 : 306,449.24 = 130,207.91 : x - Step 2: Convert to fraction form
222,135.23/306,449.24 = 130,207.91/x - Step 3: Cross multiply
222,135.23x = 306,449.24 × 130,207.91 - Step 4: Simplify right side
222,135.23x = 39,902,112,878.20 - Step 5: Solve for x
x = 39,902,112,878.20/222,135.23 - Step 6: Final answer
x = 179,629.82
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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.