Finding the Fourth Proportional to 486,167.99, 729,251.94 and 131,181.99
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Solution
The fourth proportional to 486,167.99, 729,251.94 and 131,181.99 is: 196,772.97
Step by Step Solution
- Step 1: Write the proportion equation
486,167.99 : 729,251.94 = 131,181.99 : x - Step 2: Convert to fraction form
486,167.99/729,251.94 = 131,181.99/x - Step 3: Cross multiply
486,167.99x = 729,251.94 × 131,181.99 - Step 4: Simplify right side
486,167.99x = 95,664,720,700.56 - Step 5: Solve for x
x = 95,664,720,700.56/486,167.99 - Step 6: Final answer
x = 196,772.97
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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.