Finding the Fourth Proportional to 255,210.76, 382,786.97 and 68,236.84
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Solution
The fourth proportional to 255,210.76, 382,786.97 and 68,236.84 is: 102,347.46
Step by Step Solution
- Step 1: Write the proportion equation
255,210.76 : 382,786.97 = 68,236.84 : x - Step 2: Convert to fraction form
255,210.76/382,786.97 = 68,236.84/x - Step 3: Cross multiply
255,210.76x = 382,786.97 × 68,236.84 - Step 4: Simplify right side
255,210.76x = 26,120,171,927.82 - Step 5: Solve for x
x = 26,120,171,927.82/255,210.76 - Step 6: Final answer
x = 102,347.46
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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.