Finding the Fourth Proportional to 285,432.26, 393,523.11 and 245,574.18
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Solution
The fourth proportional to 285,432.26, 393,523.11 and 245,574.18 is: 338,571.11
Step by Step Solution
- Step 1: Write the proportion equation
285,432.26 : 393,523.11 = 245,574.18 : x - Step 2: Convert to fraction form
285,432.26/393,523.11 = 245,574.18/x - Step 3: Cross multiply
285,432.26x = 393,523.11 × 245,574.18 - Step 4: Simplify right side
285,432.26x = 96,639,115,049.30 - Step 5: Solve for x
x = 96,639,115,049.30/285,432.26 - Step 6: Final answer
x = 338,571.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.