Finding the Fourth Proportional to 524,711.91, 786,874.67 and 187,661.19
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Solution
The fourth proportional to 524,711.91, 786,874.67 and 187,661.19 is: 281,422.69
Step by Step Solution
- Step 1: Write the proportion equation
524,711.91 : 786,874.67 = 187,661.19 : x - Step 2: Convert to fraction form
524,711.91/786,874.67 = 187,661.19/x - Step 3: Cross multiply
524,711.91x = 786,874.67 × 187,661.19 - Step 4: Simplify right side
524,711.91x = 147,665,836,014.75 - Step 5: Solve for x
x = 147,665,836,014.75/524,711.91 - Step 6: Final answer
x = 281,422.69
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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.