Finding the Fourth Proportional to 225,850.68, 338,775.80 and 68,079.14
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Solution
The fourth proportional to 225,850.68, 338,775.80 and 68,079.14 is: 102,118.63
Step by Step Solution
- Step 1: Write the proportion equation
225,850.68 : 338,775.80 = 68,079.14 : x - Step 2: Convert to fraction form
225,850.68/338,775.80 = 68,079.14/x - Step 3: Cross multiply
225,850.68x = 338,775.80 × 68,079.14 - Step 4: Simplify right side
225,850.68x = 23,063,563,082.54 - Step 5: Solve for x
x = 23,063,563,082.54/225,850.68 - Step 6: Final answer
x = 102,118.63
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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.