Finding the Fourth Proportional to 255,901.62, 383,852.43 and 131,163.06
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Solution
The fourth proportional to 255,901.62, 383,852.43 and 131,163.06 is: 196,744.59
Step by Step Solution
- Step 1: Write the proportion equation
255,901.62 : 383,852.43 = 131,163.06 : x - Step 2: Convert to fraction form
255,901.62/383,852.43 = 131,163.06/x - Step 3: Cross multiply
255,901.62x = 383,852.43 × 131,163.06 - Step 4: Simplify right side
255,901.62x = 50,347,259,307.24 - Step 5: Solve for x
x = 50,347,259,307.24/255,901.62 - Step 6: Final answer
x = 196,744.59
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1.5x scale
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.