Finding the Fourth Proportional to 176,579.64, 264,863.56 and 76,739.84
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Solution
The fourth proportional to 176,579.64, 264,863.56 and 76,739.84 is: 115,107.20
Step by Step Solution
- Step 1: Write the proportion equation
176,579.64 : 264,863.56 = 76,739.84 : x - Step 2: Convert to fraction form
176,579.64/264,863.56 = 76,739.84/x - Step 3: Cross multiply
176,579.64x = 264,863.56 × 76,739.84 - Step 4: Simplify right side
176,579.64x = 20,325,587,216.23 - Step 5: Solve for x
x = 20,325,587,216.23/176,579.64 - Step 6: Final answer
x = 115,107.20
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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.