Finding the Fourth Proportional to 191,709.99, 264,555.62 and 111,135.44
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Solution
The fourth proportional to 191,709.99, 264,555.62 and 111,135.44 is: 153,364.49
Step by Step Solution
- Step 1: Write the proportion equation
191,709.99 : 264,555.62 = 111,135.44 : x - Step 2: Convert to fraction form
191,709.99/264,555.62 = 111,135.44/x - Step 3: Cross multiply
191,709.99x = 264,555.62 × 111,135.44 - Step 4: Simplify right side
191,709.99x = 29,401,505,755.64 - Step 5: Solve for x
x = 29,401,505,755.64/191,709.99 - Step 6: Final answer
x = 153,364.49
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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.