Finding the Fourth Proportional to 252,425.26, 348,284.70 and 154,283.64
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Solution
The fourth proportional to 252,425.26, 348,284.70 and 154,283.64 is: 212,873.43
Step by Step Solution
- Step 1: Write the proportion equation
252,425.26 : 348,284.70 = 154,283.64 : x - Step 2: Convert to fraction form
252,425.26/348,284.70 = 154,283.64/x - Step 3: Cross multiply
252,425.26x = 348,284.70 × 154,283.64 - Step 4: Simplify right side
252,425.26x = 53,734,631,272.31 - Step 5: Solve for x
x = 53,734,631,272.31/252,425.26 - Step 6: Final answer
x = 212,873.43
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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.