Finding the Fourth Proportional to 207,048.96, 285,745.80 and 122,149.44
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Solution
The fourth proportional to 207,048.96, 285,745.80 and 122,149.44 is: 168,576.99
Step by Step Solution
- Step 1: Write the proportion equation
207,048.96 : 285,745.80 = 122,149.44 : x - Step 2: Convert to fraction form
207,048.96/285,745.80 = 122,149.44/x - Step 3: Cross multiply
207,048.96x = 285,745.80 × 122,149.44 - Step 4: Simplify right side
207,048.96x = 34,903,689,452.35 - Step 5: Solve for x
x = 34,903,689,452.35/207,048.96 - Step 6: Final answer
x = 168,576.99
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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.