Finding the Fourth Proportional to 451,610.94, 677,458.79 and 163,494.65
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Solution
The fourth proportional to 451,610.94, 677,458.79 and 163,494.65 is: 245,257.32
Step by Step Solution
- Step 1: Write the proportion equation
451,610.94 : 677,458.79 = 163,494.65 : x - Step 2: Convert to fraction form
451,610.94/677,458.79 = 163,494.65/x - Step 3: Cross multiply
451,610.94x = 677,458.79 × 163,494.65 - Step 4: Simplify right side
451,610.94x = 110,760,889,249.75 - Step 5: Solve for x
x = 110,760,889,249.75/451,610.94 - Step 6: Final answer
x = 245,257.32
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1.5x scale
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.