Finding the Fourth Proportional to 311,131.14, 466,303.05 and 198,767.94
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Solution
The fourth proportional to 311,131.14, 466,303.05 and 198,767.94 is: 297,900.42
Step by Step Solution
- Step 1: Write the proportion equation
311,131.14 : 466,303.05 = 198,767.94 : x - Step 2: Convert to fraction form
311,131.14/466,303.05 = 198,767.94/x - Step 3: Cross multiply
311,131.14x = 466,303.05 × 198,767.94 - Step 4: Simplify right side
311,131.14x = 92,686,096,664.22 - Step 5: Solve for x
x = 92,686,096,664.22/311,131.14 - Step 6: Final answer
x = 297,900.42
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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.