Finding the Fourth Proportional to 326,694.83, 450,861.26 and 181,518.12
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Solution
The fourth proportional to 326,694.83, 450,861.26 and 181,518.12 is: 250,507.45
Step by Step Solution
- Step 1: Write the proportion equation
326,694.83 : 450,861.26 = 181,518.12 : x - Step 2: Convert to fraction form
326,694.83/450,861.26 = 181,518.12/x - Step 3: Cross multiply
326,694.83x = 450,861.26 × 181,518.12 - Step 4: Simplify right side
326,694.83x = 81,839,487,388.44 - Step 5: Solve for x
x = 81,839,487,388.44/326,694.83 - Step 6: Final answer
x = 250,507.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.