Finding the Fourth Proportional to 299,491.40, 449,237.10 and 193,203.20
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Solution
The fourth proportional to 299,491.40, 449,237.10 and 193,203.20 is: 289,804.80
Step by Step Solution
- Step 1: Write the proportion equation
299,491.40 : 449,237.10 = 193,203.20 : x - Step 2: Convert to fraction form
299,491.40/449,237.10 = 193,203.20/x - Step 3: Cross multiply
299,491.40x = 449,237.10 × 193,203.20 - Step 4: Simplify right side
299,491.40x = 86,794,045,278.72 - Step 5: Solve for x
x = 86,794,045,278.72/299,491.40 - Step 6: Final answer
x = 289,804.80
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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.