Finding the Fourth Proportional to 354,234.84, 530,761.62 and 254,245.20
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Solution
The fourth proportional to 354,234.84, 530,761.62 and 254,245.20 is: 380,943.88
Step by Step Solution
- Step 1: Write the proportion equation
354,234.84 : 530,761.62 = 254,245.20 : x - Step 2: Convert to fraction form
354,234.84/530,761.62 = 254,245.20/x - Step 3: Cross multiply
354,234.84x = 530,761.62 × 254,245.20 - Step 4: Simplify right side
354,234.84x = 134,943,594,229.22 - Step 5: Solve for x
x = 134,943,594,229.22/354,234.84 - Step 6: Final answer
x = 380,943.88
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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.