Finding the Fourth Proportional to 69,464.28, 104,215.86 and 27,940.44
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Solution
The fourth proportional to 69,464.28, 104,215.86 and 27,940.44 is: 41,918.48
Step by Step Solution
- Step 1: Write the proportion equation
69,464.28 : 104,215.86 = 27,940.44 : x - Step 2: Convert to fraction form
69,464.28/104,215.86 = 27,940.44/x - Step 3: Cross multiply
69,464.28x = 104,215.86 × 27,940.44 - Step 4: Simplify right side
69,464.28x = 2,911,836,983.38 - Step 5: Solve for x
x = 2,911,836,983.38/69,464.28 - Step 6: Final answer
x = 41,918.48
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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.