Finding the Fourth Proportional to 265,762.13, 398,644.63 and 68,770.13
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Solution
The fourth proportional to 265,762.13, 398,644.63 and 68,770.13 is: 103,155.56
Step by Step Solution
- Step 1: Write the proportion equation
265,762.13 : 398,644.63 = 68,770.13 : x - Step 2: Convert to fraction form
265,762.13/398,644.63 = 68,770.13/x - Step 3: Cross multiply
265,762.13x = 398,644.63 × 68,770.13 - Step 4: Simplify right side
265,762.13x = 27,414,840,863.75 - Step 5: Solve for x
x = 27,414,840,863.75/265,762.13 - Step 6: Final answer
x = 103,155.56
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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.