Finding the Fourth Proportional to 160,919.79, 241,458.09 and 66,178.44
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Solution
The fourth proportional to 160,919.79, 241,458.09 and 66,178.44 is: 99,299.90
Step by Step Solution
- Step 1: Write the proportion equation
160,919.79 : 241,458.09 = 66,178.44 : x - Step 2: Convert to fraction form
160,919.79/241,458.09 = 66,178.44/x - Step 3: Cross multiply
160,919.79x = 241,458.09 × 66,178.44 - Step 4: Simplify right side
160,919.79x = 15,979,319,721.58 - Step 5: Solve for x
x = 15,979,319,721.58/160,919.79 - Step 6: Final answer
x = 99,299.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.