Finding the Fourth Proportional to 324,424.24, 444,453.80 and 312,294.92
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Solution
The fourth proportional to 324,424.24, 444,453.80 and 312,294.92 is: 427,836.90
Step by Step Solution
- Step 1: Write the proportion equation
324,424.24 : 444,453.80 = 312,294.92 : x - Step 2: Convert to fraction form
324,424.24/444,453.80 = 312,294.92/x - Step 3: Cross multiply
324,424.24x = 444,453.80 × 312,294.92 - Step 4: Simplify right side
324,424.24x = 138,800,662,353.22 - Step 5: Solve for x
x = 138,800,662,353.22/324,424.24 - Step 6: Final answer
x = 427,836.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.