Finding the Fourth Proportional to 159,170.97, 219,651.36 and 87,550.99
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Solution
The fourth proportional to 159,170.97, 219,651.36 and 87,550.99 is: 120,817.85
Step by Step Solution
- Step 1: Write the proportion equation
159,170.97 : 219,651.36 = 87,550.99 : x - Step 2: Convert to fraction form
159,170.97/219,651.36 = 87,550.99/x - Step 3: Cross multiply
159,170.97x = 219,651.36 × 87,550.99 - Step 4: Simplify right side
159,170.97x = 19,230,694,873.42 - Step 5: Solve for x
x = 19,230,694,873.42/159,170.97 - Step 6: Final answer
x = 120,817.85
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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.