Finding the Fourth Proportional to 198,102.96, 273,315.60 and 113,159.88
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Solution
The fourth proportional to 198,102.96, 273,315.60 and 113,159.88 is: 156,122.66
Step by Step Solution
- Step 1: Write the proportion equation
198,102.96 : 273,315.60 = 113,159.88 : x - Step 2: Convert to fraction form
198,102.96/273,315.60 = 113,159.88/x - Step 3: Cross multiply
198,102.96x = 273,315.60 × 113,159.88 - Step 4: Simplify right side
198,102.96x = 30,928,360,498.13 - Step 5: Solve for x
x = 30,928,360,498.13/198,102.96 - Step 6: Final answer
x = 156,122.66
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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.