Finding the Fourth Proportional to 225,959.36, 338,947.88 and 68,187.84
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Solution
The fourth proportional to 225,959.36, 338,947.88 and 68,187.84 is: 102,284.43
Step by Step Solution
- Step 1: Write the proportion equation
225,959.36 : 338,947.88 = 68,187.84 : x - Step 2: Convert to fraction form
225,959.36/338,947.88 = 68,187.84/x - Step 3: Cross multiply
225,959.36x = 338,947.88 × 68,187.84 - Step 4: Simplify right side
225,959.36x = 23,112,123,809.78 - Step 5: Solve for x
x = 23,112,123,809.78/225,959.36 - Step 6: Final answer
x = 102,284.43
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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.