Finding the Fourth Proportional to 182,872.78, 252,415.14 and 106,406.62
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Solution
The fourth proportional to 182,872.78, 252,415.14 and 106,406.62 is: 146,870.64
Step by Step Solution
- Step 1: Write the proportion equation
182,872.78 : 252,415.14 = 106,406.62 : x - Step 2: Convert to fraction form
182,872.78/252,415.14 = 106,406.62/x - Step 3: Cross multiply
182,872.78x = 252,415.14 × 106,406.62 - Step 4: Simplify right side
182,872.78x = 26,858,641,884.23 - Step 5: Solve for x
x = 26,858,641,884.23/182,872.78 - Step 6: Final answer
x = 146,870.64
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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.