Finding the Fourth Proportional to 263,011.24, 394,646.46 and 163,145.80
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Solution
The fourth proportional to 263,011.24, 394,646.46 and 163,145.80 is: 244,799.09
Step by Step Solution
- Step 1: Write the proportion equation
263,011.24 : 394,646.46 = 163,145.80 : x - Step 2: Convert to fraction form
263,011.24/394,646.46 = 163,145.80/x - Step 3: Cross multiply
263,011.24x = 394,646.46 × 163,145.80 - Step 4: Simplify right side
263,011.24x = 64,384,912,433.87 - Step 5: Solve for x
x = 64,384,912,433.87/263,011.24 - Step 6: Final answer
x = 244,799.09
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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.