Finding the Fourth Proportional to 379,714.20, 569,571.30 and 202,129.80
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Solution
The fourth proportional to 379,714.20, 569,571.30 and 202,129.80 is: 303,194.70
Step by Step Solution
- Step 1: Write the proportion equation
379,714.20 : 569,571.30 = 202,129.80 : x - Step 2: Convert to fraction form
379,714.20/569,571.30 = 202,129.80/x - Step 3: Cross multiply
379,714.20x = 569,571.30 × 202,129.80 - Step 4: Simplify right side
379,714.20x = 115,127,332,954.74 - Step 5: Solve for x
x = 115,127,332,954.74/379,714.20 - Step 6: Final answer
x = 303,194.70
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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.