Finding the Fourth Proportional to 159,226.97, 219,478.21 and 120,861.52
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Solution
The fourth proportional to 159,226.97, 219,478.21 and 120,861.52 is: 166,595.33
Step by Step Solution
- Step 1: Write the proportion equation
159,226.97 : 219,478.21 = 120,861.52 : x - Step 2: Convert to fraction form
159,226.97/219,478.21 = 120,861.52/x - Step 3: Cross multiply
159,226.97x = 219,478.21 × 120,861.52 - Step 4: Simplify right side
159,226.97x = 26,526,469,216.63 - Step 5: Solve for x
x = 26,526,469,216.63/159,226.97 - Step 6: Final answer
x = 166,595.33
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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.