Finding the Fourth Proportional to 255,284.93, 383,163.80 and 129,014.03
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Solution
The fourth proportional to 255,284.93, 383,163.80 and 129,014.03 is: 193,640.51
Step by Step Solution
- Step 1: Write the proportion equation
255,284.93 : 383,163.80 = 129,014.03 : x - Step 2: Convert to fraction form
255,284.93/383,163.80 = 129,014.03/x - Step 3: Cross multiply
255,284.93x = 383,163.80 × 129,014.03 - Step 4: Simplify right side
255,284.93x = 49,433,503,427.22 - Step 5: Solve for x
x = 49,433,503,427.22/255,284.93 - Step 6: Final answer
x = 193,640.51
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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.