Finding the Fourth Proportional to 80,241.70, 120,184.98 and 54,880.99
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Solution
The fourth proportional to 80,241.70, 120,184.98 and 54,880.99 is: 82,200.04
Step by Step Solution
- Step 1: Write the proportion equation
80,241.70 : 120,184.98 = 54,880.99 : x - Step 2: Convert to fraction form
80,241.70/120,184.98 = 54,880.99/x - Step 3: Cross multiply
80,241.70x = 120,184.98 × 54,880.99 - Step 4: Simplify right side
80,241.70x = 6,595,870,685.53 - Step 5: Solve for x
x = 6,595,870,685.53/80,241.70 - Step 6: Final answer
x = 82,200.04
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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.