Finding the Fourth Proportional to 80,218.14, 110,702.36 and 43,918.98
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Solution
The fourth proportional to 80,218.14, 110,702.36 and 43,918.98 is: 60,608.92
Step by Step Solution
- Step 1: Write the proportion equation
80,218.14 : 110,702.36 = 43,918.98 : x - Step 2: Convert to fraction form
80,218.14/110,702.36 = 43,918.98/x - Step 3: Cross multiply
80,218.14x = 110,702.36 × 43,918.98 - Step 4: Simplify right side
80,218.14x = 4,861,934,515.20 - Step 5: Solve for x
x = 4,861,934,515.20/80,218.14 - Step 6: Final answer
x = 60,608.92
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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.