Finding the Fourth Proportional to 306,491.99, 459,787.19 and 116,944.70
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Solution
The fourth proportional to 306,491.99, 459,787.19 and 116,944.70 is: 175,435.82
Step by Step Solution
- Step 1: Write the proportion equation
306,491.99 : 459,787.19 = 116,944.70 : x - Step 2: Convert to fraction form
306,491.99/459,787.19 = 116,944.70/x - Step 3: Cross multiply
306,491.99x = 459,787.19 × 116,944.70 - Step 4: Simplify right side
306,491.99x = 53,769,672,114.73 - Step 5: Solve for x
x = 53,769,672,114.73/306,491.99 - Step 6: Final answer
x = 175,435.82
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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.