Finding the Fourth Proportional to 225,427.44, 338,163.69 and 83,310.03
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Solution
The fourth proportional to 225,427.44, 338,163.69 and 83,310.03 is: 124,973.37
Step by Step Solution
- Step 1: Write the proportion equation
225,427.44 : 338,163.69 = 83,310.03 : x - Step 2: Convert to fraction form
225,427.44/338,163.69 = 83,310.03/x - Step 3: Cross multiply
225,427.44x = 338,163.69 × 83,310.03 - Step 4: Simplify right side
225,427.44x = 28,172,427,158.81 - Step 5: Solve for x
x = 28,172,427,158.81/225,427.44 - Step 6: Final answer
x = 124,973.37
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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.