Finding the Fourth Proportional to 414,011.36, 620,859.42 and 271,818.62
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Solution
The fourth proportional to 414,011.36, 620,859.42 and 271,818.62 is: 407,624.44
Step by Step Solution
- Step 1: Write the proportion equation
414,011.36 : 620,859.42 = 271,818.62 : x - Step 2: Convert to fraction form
414,011.36/620,859.42 = 271,818.62/x - Step 3: Cross multiply
414,011.36x = 620,859.42 × 271,818.62 - Step 4: Simplify right side
414,011.36x = 168,761,150,758.40 - Step 5: Solve for x
x = 168,761,150,758.40/414,011.36 - Step 6: Final answer
x = 407,624.44
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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.