Finding the Fourth Proportional to 422,596.11, 633,917.30 and 107,055.75
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Solution
The fourth proportional to 422,596.11, 633,917.30 and 107,055.75 is: 160,589.49
Step by Step Solution
- Step 1: Write the proportion equation
422,596.11 : 633,917.30 = 107,055.75 : x - Step 2: Convert to fraction form
422,596.11/633,917.30 = 107,055.75/x - Step 3: Cross multiply
422,596.11x = 633,917.30 × 107,055.75 - Step 4: Simplify right side
422,596.11x = 67,864,491,989.48 - Step 5: Solve for x
x = 67,864,491,989.48/422,596.11 - Step 6: Final answer
x = 160,589.49
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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.