Finding the Fourth Proportional to 299,719.31, 449,286.75 and 119,751.08
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Solution
The fourth proportional to 299,719.31, 449,286.75 and 119,751.08 is: 179,509.86
Step by Step Solution
- Step 1: Write the proportion equation
299,719.31 : 449,286.75 = 119,751.08 : x - Step 2: Convert to fraction form
299,719.31/449,286.75 = 119,751.08/x - Step 3: Cross multiply
299,719.31x = 449,286.75 × 119,751.08 - Step 4: Simplify right side
299,719.31x = 53,802,571,295.76 - Step 5: Solve for x
x = 53,802,571,295.76/299,719.31 - Step 6: Final answer
x = 179,509.86
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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.