Finding the Fourth Proportional to 261,876.21, 361,379.00 and 160,072.13
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Solution
The fourth proportional to 261,876.21, 361,379.00 and 160,072.13 is: 220,893.31
Step by Step Solution
- Step 1: Write the proportion equation
261,876.21 : 361,379.00 = 160,072.13 : x - Step 2: Convert to fraction form
261,876.21/361,379.00 = 160,072.13/x - Step 3: Cross multiply
261,876.21x = 361,379.00 × 160,072.13 - Step 4: Simplify right side
261,876.21x = 57,846,703,660.01 - Step 5: Solve for x
x = 57,846,703,660.01/261,876.21 - Step 6: Final answer
x = 220,893.31
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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.