Finding the Fourth Proportional to 103,822.75, 155,760.14 and 29,950.75
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Solution
The fourth proportional to 103,822.75, 155,760.14 and 29,950.75 is: 44,933.63
Step by Step Solution
- Step 1: Write the proportion equation
103,822.75 : 155,760.14 = 29,950.75 : x - Step 2: Convert to fraction form
103,822.75/155,760.14 = 29,950.75/x - Step 3: Cross multiply
103,822.75x = 155,760.14 × 29,950.75 - Step 4: Simplify right side
103,822.75x = 4,665,133,013.11 - Step 5: Solve for x
x = 4,665,133,013.11/103,822.75 - Step 6: Final answer
x = 44,933.63
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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.