Finding the Fourth Proportional to 299,309.40, 449,046.09 and 149,368.68
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Solution
The fourth proportional to 299,309.40, 449,046.09 and 149,368.68 is: 224,093.94
Step by Step Solution
- Step 1: Write the proportion equation
299,309.40 : 449,046.09 = 149,368.68 : x - Step 2: Convert to fraction form
299,309.40/449,046.09 = 149,368.68/x - Step 3: Cross multiply
299,309.40x = 449,046.09 × 149,368.68 - Step 4: Simplify right side
299,309.40x = 67,073,421,722.46 - Step 5: Solve for x
x = 67,073,421,722.46/299,309.40 - Step 6: Final answer
x = 224,093.94
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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.