Finding the Fourth Proportional to 245,912.67, 368,919.36 and 103,757.99
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Solution
The fourth proportional to 245,912.67, 368,919.36 and 103,757.99 is: 155,658.22
Step by Step Solution
- Step 1: Write the proportion equation
245,912.67 : 368,919.36 = 103,757.99 : x - Step 2: Convert to fraction form
245,912.67/368,919.36 = 103,757.99/x - Step 3: Cross multiply
245,912.67x = 368,919.36 × 103,757.99 - Step 4: Simplify right side
245,912.67x = 38,278,329,421.09 - Step 5: Solve for x
x = 38,278,329,421.09/245,912.67 - Step 6: Final answer
x = 155,658.22
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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.