Finding the Fourth Proportional to 126,464.36, 189,717.12 and 59,063.78
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Solution
The fourth proportional to 126,464.36, 189,717.12 and 59,063.78 is: 88,605.29
Step by Step Solution
- Step 1: Write the proportion equation
126,464.36 : 189,717.12 = 59,063.78 : x - Step 2: Convert to fraction form
126,464.36/189,717.12 = 59,063.78/x - Step 3: Cross multiply
126,464.36x = 189,717.12 × 59,063.78 - Step 4: Simplify right side
126,464.36x = 11,205,410,712.21 - Step 5: Solve for x
x = 11,205,410,712.21/126,464.36 - Step 6: Final answer
x = 88,605.29
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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.