Finding the Fourth Proportional to 265,761.75, 398,644.07 and 68,769.75
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Solution
The fourth proportional to 265,761.75, 398,644.07 and 68,769.75 is: 103,155.00
Step by Step Solution
- Step 1: Write the proportion equation
265,761.75 : 398,644.07 = 68,769.75 : x - Step 2: Convert to fraction form
265,761.75/398,644.07 = 68,769.75/x - Step 3: Cross multiply
265,761.75x = 398,644.07 × 68,769.75 - Step 4: Simplify right side
265,761.75x = 27,414,652,689.03 - Step 5: Solve for x
x = 27,414,652,689.03/265,761.75 - Step 6: Final answer
x = 103,155.00
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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.