Finding the Fourth Proportional to 225,953.36, 338,938.88 and 68,181.84
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Solution
The fourth proportional to 225,953.36, 338,938.88 and 68,181.84 is: 102,275.43
Step by Step Solution
- Step 1: Write the proportion equation
225,953.36 : 338,938.88 = 68,181.84 : x - Step 2: Convert to fraction form
225,953.36/338,938.88 = 68,181.84/x - Step 3: Cross multiply
225,953.36x = 338,938.88 × 68,181.84 - Step 4: Simplify right side
225,953.36x = 23,109,476,485.94 - Step 5: Solve for x
x = 23,109,476,485.94/225,953.36 - Step 6: Final answer
x = 102,275.43
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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.