Finding the Fourth Proportional to 68,803.97, 103,205.03 and 18,884.00
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Solution
The fourth proportional to 68,803.97, 103,205.03 and 18,884.00 is: 28,325.75
Step by Step Solution
- Step 1: Write the proportion equation
68,803.97 : 103,205.03 = 18,884.00 : x - Step 2: Convert to fraction form
68,803.97/103,205.03 = 18,884.00/x - Step 3: Cross multiply
68,803.97x = 103,205.03 × 18,884.00 - Step 4: Simplify right side
68,803.97x = 1,948,923,950.11 - Step 5: Solve for x
x = 1,948,923,950.11/68,803.97 - Step 6: Final answer
x = 28,325.75
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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.