Finding the Fourth Proportional to 80,372.46, 120,566.69 and 29,784.99
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Solution
The fourth proportional to 80,372.46, 120,566.69 and 29,784.99 is: 44,680.45
Step by Step Solution
- Step 1: Write the proportion equation
80,372.46 : 120,566.69 = 29,784.99 : x - Step 2: Convert to fraction form
80,372.46/120,566.69 = 29,784.99/x - Step 3: Cross multiply
80,372.46x = 120,566.69 × 29,784.99 - Step 4: Simplify right side
80,372.46x = 3,591,077,655.98 - Step 5: Solve for x
x = 3,591,077,655.98/80,372.46 - Step 6: Final answer
x = 44,680.45
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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.