Finding the Fourth Proportional to 222,067.76, 306,449.68 and 125,271.82
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Solution
The fourth proportional to 222,067.76, 306,449.68 and 125,271.82 is: 172,872.96
Step by Step Solution
- Step 1: Write the proportion equation
222,067.76 : 306,449.68 = 125,271.82 : x - Step 2: Convert to fraction form
222,067.76/306,449.68 = 125,271.82/x - Step 3: Cross multiply
222,067.76x = 306,449.68 × 125,271.82 - Step 4: Simplify right side
222,067.76x = 38,389,509,152.02 - Step 5: Solve for x
x = 38,389,509,152.02/222,067.76 - Step 6: Final answer
x = 172,872.96
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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.