Finding the Fourth Proportional to 110,324.92, 165,513.36 and 31,440.28
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Solution
The fourth proportional to 110,324.92, 165,513.36 and 31,440.28 is: 47,167.82
Step by Step Solution
- Step 1: Write the proportion equation
110,324.92 : 165,513.36 = 31,440.28 : x - Step 2: Convert to fraction form
110,324.92/165,513.36 = 31,440.28/x - Step 3: Cross multiply
110,324.92x = 165,513.36 × 31,440.28 - Step 4: Simplify right side
110,324.92x = 5,203,786,382.14 - Step 5: Solve for x
x = 5,203,786,382.14/110,324.92 - Step 6: Final answer
x = 47,167.82
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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.