Finding the Fourth Proportional to 254,281.75, 381,422.62 and 198,163.84
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Solution
The fourth proportional to 254,281.75, 381,422.62 and 198,163.84 is: 297,245.76
Step by Step Solution
- Step 1: Write the proportion equation
254,281.75 : 381,422.62 = 198,163.84 : x - Step 2: Convert to fraction form
254,281.75/381,422.62 = 198,163.84/x - Step 3: Cross multiply
254,281.75x = 381,422.62 × 198,163.84 - Step 4: Simplify right side
254,281.75x = 75,584,171,042.06 - Step 5: Solve for x
x = 75,584,171,042.06/254,281.75 - Step 6: Final answer
x = 297,245.76
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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.