Finding the Fourth Proportional to 198,825.08, 274,289.43 and 134,273.34
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Solution
The fourth proportional to 198,825.08, 274,289.43 and 134,273.34 is: 185,236.99
Step by Step Solution
- Step 1: Write the proportion equation
198,825.08 : 274,289.43 = 134,273.34 : x - Step 2: Convert to fraction form
198,825.08/274,289.43 = 134,273.34/x - Step 3: Cross multiply
198,825.08x = 274,289.43 × 134,273.34 - Step 4: Simplify right side
198,825.08x = 36,829,757,892.80 - Step 5: Solve for x
x = 36,829,757,892.80/198,825.08 - Step 6: Final answer
x = 185,236.99
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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.