Finding the Fourth Proportional to 115,634.94, 173,449.71 and 53,305.44
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Solution
The fourth proportional to 115,634.94, 173,449.71 and 53,305.44 is: 79,956.92
Step by Step Solution
- Step 1: Write the proportion equation
115,634.94 : 173,449.71 = 53,305.44 : x - Step 2: Convert to fraction form
115,634.94/173,449.71 = 53,305.44/x - Step 3: Cross multiply
115,634.94x = 173,449.71 × 53,305.44 - Step 4: Simplify right side
115,634.94x = 9,245,813,109.42 - Step 5: Solve for x
x = 9,245,813,109.42/115,634.94 - Step 6: Final answer
x = 79,956.92
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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.