Finding the Fourth Proportional to 367,847.70, 551,771.55 and 146,231.70
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Solution
The fourth proportional to 367,847.70, 551,771.55 and 146,231.70 is: 219,347.55
Step by Step Solution
- Step 1: Write the proportion equation
367,847.70 : 551,771.55 = 146,231.70 : x - Step 2: Convert to fraction form
367,847.70/551,771.55 = 146,231.70/x - Step 3: Cross multiply
367,847.70x = 551,771.55 × 146,231.70 - Step 4: Simplify right side
367,847.70x = 80,686,491,768.14 - Step 5: Solve for x
x = 80,686,491,768.14/367,847.70 - Step 6: Final answer
x = 219,347.55
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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.