Finding the Fourth Proportional to 256,163.70, 383,554.35 and 256,163.70
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Solution
The fourth proportional to 256,163.70, 383,554.35 and 256,163.70 is: 383,554.35
Step by Step Solution
- Step 1: Write the proportion equation
256,163.70 : 383,554.35 = 256,163.70 : x - Step 2: Convert to fraction form
256,163.70/383,554.35 = 256,163.70/x - Step 3: Cross multiply
256,163.70x = 383,554.35 × 256,163.70 - Step 4: Simplify right side
256,163.70x = 98,252,701,447.10 - Step 5: Solve for x
x = 98,252,701,447.10/256,163.70 - Step 6: Final answer
x = 383,554.35
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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.