Finding the Fourth Proportional to 159,768.26, 239,611.26 and 47,421.92
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Solution
The fourth proportional to 159,768.26, 239,611.26 and 47,421.92 is: 71,120.67
Step by Step Solution
- Step 1: Write the proportion equation
159,768.26 : 239,611.26 = 47,421.92 : x - Step 2: Convert to fraction form
159,768.26/239,611.26 = 47,421.92/x - Step 3: Cross multiply
159,768.26x = 239,611.26 × 47,421.92 - Step 4: Simplify right side
159,768.26x = 11,362,826,002.82 - Step 5: Solve for x
x = 11,362,826,002.82/159,768.26 - Step 6: Final answer
x = 71,120.67
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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.