Finding the Fourth Proportional to 80,211.28, 110,690.23 and 44,400.53
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Solution
The fourth proportional to 80,211.28, 110,690.23 and 44,400.53 is: 61,271.99
Step by Step Solution
- Step 1: Write the proportion equation
80,211.28 : 110,690.23 = 44,400.53 : x - Step 2: Convert to fraction form
80,211.28/110,690.23 = 44,400.53/x - Step 3: Cross multiply
80,211.28x = 110,690.23 × 44,400.53 - Step 4: Simplify right side
80,211.28x = 4,914,704,877.82 - Step 5: Solve for x
x = 4,914,704,877.82/80,211.28 - Step 6: Final answer
x = 61,271.99
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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.