Finding the Fourth Proportional to 174,471.20, 261,708.40 and 48,113.62
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Solution
The fourth proportional to 174,471.20, 261,708.40 and 48,113.62 is: 72,170.87
Step by Step Solution
- Step 1: Write the proportion equation
174,471.20 : 261,708.40 = 48,113.62 : x - Step 2: Convert to fraction form
174,471.20/261,708.40 = 48,113.62/x - Step 3: Cross multiply
174,471.20x = 261,708.40 × 48,113.62 - Step 4: Simplify right side
174,471.20x = 12,591,738,508.41 - Step 5: Solve for x
x = 12,591,738,508.41/174,471.20 - Step 6: Final answer
x = 72,170.87
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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.