Finding the Fourth Proportional to 276,889.69, 382,107.92 and 149,565.28
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Solution
The fourth proportional to 276,889.69, 382,107.92 and 149,565.28 is: 206,400.17
Step by Step Solution
- Step 1: Write the proportion equation
276,889.69 : 382,107.92 = 149,565.28 : x - Step 2: Convert to fraction form
276,889.69/382,107.92 = 149,565.28/x - Step 3: Cross multiply
276,889.69x = 382,107.92 × 149,565.28 - Step 4: Simplify right side
276,889.69x = 57,150,078,616.13 - Step 5: Solve for x
x = 57,150,078,616.13/276,889.69 - Step 6: Final answer
x = 206,400.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.