Finding the Fourth Proportional to 198,840.08, 274,395.24 and 108,197.84
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Solution
The fourth proportional to 198,840.08, 274,395.24 and 108,197.84 is: 149,310.80
Step by Step Solution
- Step 1: Write the proportion equation
198,840.08 : 274,395.24 = 108,197.84 : x - Step 2: Convert to fraction form
198,840.08/274,395.24 = 108,197.84/x - Step 3: Cross multiply
198,840.08x = 274,395.24 × 108,197.84 - Step 4: Simplify right side
198,840.08x = 29,688,972,274.28 - Step 5: Solve for x
x = 29,688,972,274.28/198,840.08 - Step 6: Final answer
x = 149,310.80
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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.