Finding the Fourth Proportional to 483,814.99, 667,589.95 and 279,884.88
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Solution
The fourth proportional to 483,814.99, 667,589.95 and 279,884.88 is: 386,197.90
Step by Step Solution
- Step 1: Write the proportion equation
483,814.99 : 667,589.95 = 279,884.88 : x - Step 2: Convert to fraction form
483,814.99/667,589.95 = 279,884.88/x - Step 3: Cross multiply
483,814.99x = 667,589.95 × 279,884.88 - Step 4: Simplify right side
483,814.99x = 186,848,333,044.96 - Step 5: Solve for x
x = 186,848,333,044.96/483,814.99 - Step 6: Final answer
x = 386,197.90
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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.