Finding the Fourth Proportional to 255,213.33, 382,790.84 and 68,239.41
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Solution
The fourth proportional to 255,213.33, 382,790.84 and 68,239.41 is: 102,351.32
Step by Step Solution
- Step 1: Write the proportion equation
255,213.33 : 382,790.84 = 68,239.41 : x - Step 2: Convert to fraction form
255,213.33/382,790.84 = 68,239.41/x - Step 3: Cross multiply
255,213.33x = 382,790.84 × 68,239.41 - Step 4: Simplify right side
255,213.33x = 26,121,420,733.81 - Step 5: Solve for x
x = 26,121,420,733.81/255,213.33 - Step 6: Final answer
x = 102,351.32
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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.