Finding the Fourth Proportional to 102,874.46, 154,339.41 and 42,882.99
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Solution
The fourth proportional to 102,874.46, 154,339.41 and 42,882.99 is: 64,336.04
Step by Step Solution
- Step 1: Write the proportion equation
102,874.46 : 154,339.41 = 42,882.99 : x - Step 2: Convert to fraction form
102,874.46/154,339.41 = 42,882.99/x - Step 3: Cross multiply
102,874.46x = 154,339.41 × 42,882.99 - Step 4: Simplify right side
102,874.46x = 6,618,535,375.64 - Step 5: Solve for x
x = 6,618,535,375.64/102,874.46 - Step 6: Final answer
x = 64,336.04
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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.