Finding the Fourth Proportional to 198,652.50, 274,139.64 and 113,767.74
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Solution
The fourth proportional to 198,652.50, 274,139.64 and 113,767.74 is: 156,999.02
Step by Step Solution
- Step 1: Write the proportion equation
198,652.50 : 274,139.64 = 113,767.74 : x - Step 2: Convert to fraction form
198,652.50/274,139.64 = 113,767.74/x - Step 3: Cross multiply
198,652.50x = 274,139.64 × 113,767.74 - Step 4: Simplify right side
198,652.50x = 31,188,247,287.21 - Step 5: Solve for x
x = 31,188,247,287.21/198,652.50 - Step 6: Final answer
x = 156,999.02
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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.