Finding the Fourth Proportional to 393,122.63, 588,797.91 and 275,319.88
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Solution
The fourth proportional to 393,122.63, 588,797.91 and 275,319.88 is: 412,359.29
Step by Step Solution
- Step 1: Write the proportion equation
393,122.63 : 588,797.91 = 275,319.88 : x - Step 2: Convert to fraction form
393,122.63/588,797.91 = 275,319.88/x - Step 3: Cross multiply
393,122.63x = 588,797.91 × 275,319.88 - Step 4: Simplify right side
393,122.63x = 162,107,768,453.46 - Step 5: Solve for x
x = 162,107,768,453.46/393,122.63 - Step 6: Final answer
x = 412,359.29
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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.