Finding the Fourth Proportional to 524,082.18, 786,289.41 and 187,115.70
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Solution
The fourth proportional to 524,082.18, 786,289.41 and 187,115.70 is: 280,732.87
Step by Step Solution
- Step 1: Write the proportion equation
524,082.18 : 786,289.41 = 187,115.70 : x - Step 2: Convert to fraction form
524,082.18/786,289.41 = 187,115.70/x - Step 3: Cross multiply
524,082.18x = 786,289.41 × 187,115.70 - Step 4: Simplify right side
524,082.18x = 147,127,093,354.74 - Step 5: Solve for x
x = 147,127,093,354.74/524,082.18 - Step 6: Final answer
x = 280,732.87
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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.