Finding the Fourth Proportional to 211,010.99, 291,198.65 and 119,135.12
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Solution
The fourth proportional to 211,010.99, 291,198.65 and 119,135.12 is: 164,408.43
Step by Step Solution
- Step 1: Write the proportion equation
211,010.99 : 291,198.65 = 119,135.12 : x - Step 2: Convert to fraction form
211,010.99/291,198.65 = 119,135.12/x - Step 3: Cross multiply
211,010.99x = 291,198.65 × 119,135.12 - Step 4: Simplify right side
211,010.99x = 34,691,984,059.92 - Step 5: Solve for x
x = 34,691,984,059.92/211,010.99 - Step 6: Final answer
x = 164,408.43
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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.