Finding the Fourth Proportional to 522,843.30, 784,107.90 and 185,839.65
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Solution
The fourth proportional to 522,843.30, 784,107.90 and 185,839.65 is: 278,703.65
Step by Step Solution
- Step 1: Write the proportion equation
522,843.30 : 784,107.90 = 185,839.65 : x - Step 2: Convert to fraction form
522,843.30/784,107.90 = 185,839.65/x - Step 3: Cross multiply
522,843.30x = 784,107.90 × 185,839.65 - Step 4: Simplify right side
522,843.30x = 145,718,337,698.24 - Step 5: Solve for x
x = 145,718,337,698.24/522,843.30 - Step 6: Final answer
x = 278,703.65
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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.