Finding the Fourth Proportional to 205,114.70, 283,057.68 and 114,469.70
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Solution
The fourth proportional to 205,114.70, 283,057.68 and 114,469.70 is: 157,967.85
Step by Step Solution
- Step 1: Write the proportion equation
205,114.70 : 283,057.68 = 114,469.70 : x - Step 2: Convert to fraction form
205,114.70/283,057.68 = 114,469.70/x - Step 3: Cross multiply
205,114.70x = 283,057.68 × 114,469.70 - Step 4: Simplify right side
205,114.70x = 32,401,527,712.30 - Step 5: Solve for x
x = 32,401,527,712.30/205,114.70 - Step 6: Final answer
x = 157,967.85
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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.