Finding the Fourth Proportional to 262,006.26, 392,995.58 and 84,513.30
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Solution
The fourth proportional to 262,006.26, 392,995.58 and 84,513.30 is: 126,765.50
Step by Step Solution
- Step 1: Write the proportion equation
262,006.26 : 392,995.58 = 84,513.30 : x - Step 2: Convert to fraction form
262,006.26/392,995.58 = 84,513.30/x - Step 3: Cross multiply
262,006.26x = 392,995.58 × 84,513.30 - Step 4: Simplify right side
262,006.26x = 33,213,353,351.21 - Step 5: Solve for x
x = 33,213,353,351.21/262,006.26 - Step 6: Final answer
x = 126,765.50
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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.