Finding the Fourth Proportional to 297,181.93, 445,771.36 and 72,543.55
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Solution
The fourth proportional to 297,181.93, 445,771.36 and 72,543.55 is: 108,814.95
Step by Step Solution
- Step 1: Write the proportion equation
297,181.93 : 445,771.36 = 72,543.55 : x - Step 2: Convert to fraction form
297,181.93/445,771.36 = 72,543.55/x - Step 3: Cross multiply
297,181.93x = 445,771.36 × 72,543.55 - Step 4: Simplify right side
297,181.93x = 32,337,836,942.73 - Step 5: Solve for x
x = 32,337,836,942.73/297,181.93 - Step 6: Final answer
x = 108,814.95
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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.