Finding the Fourth Proportional to 568,786.76, 852,894.21 and 189,574.53
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Solution
The fourth proportional to 568,786.76, 852,894.21 and 189,574.53 is: 284,266.50
Step by Step Solution
- Step 1: Write the proportion equation
568,786.76 : 852,894.21 = 189,574.53 : x - Step 2: Convert to fraction form
568,786.76/852,894.21 = 189,574.53/x - Step 3: Cross multiply
568,786.76x = 852,894.21 × 189,574.53 - Step 4: Simplify right side
568,786.76x = 161,687,019,711.38 - Step 5: Solve for x
x = 161,687,019,711.38/568,786.76 - Step 6: Final answer
x = 284,266.50
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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.