Finding the Fourth Proportional to 133,768.85, 184,619.79 and 82,797.84
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Solution
The fourth proportional to 133,768.85, 184,619.79 and 82,797.84 is: 114,272.65
Step by Step Solution
- Step 1: Write the proportion equation
133,768.85 : 184,619.79 = 82,797.84 : x - Step 2: Convert to fraction form
133,768.85/184,619.79 = 82,797.84/x - Step 3: Cross multiply
133,768.85x = 184,619.79 × 82,797.84 - Step 4: Simplify right side
133,768.85x = 15,286,119,833.25 - Step 5: Solve for x
x = 15,286,119,833.25/133,768.85 - Step 6: Final answer
x = 114,272.65
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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.