Finding the Fourth Proportional to 299,743.92, 449,605.49 and 75,106.26
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Solution
The fourth proportional to 299,743.92, 449,605.49 and 75,106.26 is: 112,656.79
Step by Step Solution
- Step 1: Write the proportion equation
299,743.92 : 449,605.49 = 75,106.26 : x - Step 2: Convert to fraction form
299,743.92/449,605.49 = 75,106.26/x - Step 3: Cross multiply
299,743.92x = 449,605.49 × 75,106.26 - Step 4: Simplify right side
299,743.92x = 33,768,186,453.84 - Step 5: Solve for x
x = 33,768,186,453.84/299,743.92 - Step 6: Final answer
x = 112,656.79
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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.