Finding the Fourth Proportional to 80,211.97, 110,720.15 and 46,234.02
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Solution
The fourth proportional to 80,211.97, 110,720.15 and 46,234.02 is: 63,818.88
Step by Step Solution
- Step 1: Write the proportion equation
80,211.97 : 110,720.15 = 46,234.02 : x - Step 2: Convert to fraction form
80,211.97/110,720.15 = 46,234.02/x - Step 3: Cross multiply
80,211.97x = 110,720.15 × 46,234.02 - Step 4: Simplify right side
80,211.97x = 5,119,037,986.91 - Step 5: Solve for x
x = 5,119,037,986.91/80,211.97 - Step 6: Final answer
x = 63,818.88
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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.