Finding the Fourth Proportional to 225,967.36, 338,959.86 and 68,195.84
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Solution
The fourth proportional to 225,967.36, 338,959.86 and 68,195.84 is: 102,296.42
Step by Step Solution
- Step 1: Write the proportion equation
225,967.36 : 338,959.86 = 68,195.84 : x - Step 2: Convert to fraction form
225,967.36/338,959.86 = 68,195.84/x - Step 3: Cross multiply
225,967.36x = 338,959.86 × 68,195.84 - Step 4: Simplify right side
225,967.36x = 23,115,652,378.98 - Step 5: Solve for x
x = 23,115,652,378.98/225,967.36 - Step 6: Final answer
x = 102,296.42
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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.