Finding the Fourth Proportional to 186,037.75, 279,056.64 and 54,709.75
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Solution
The fourth proportional to 186,037.75, 279,056.64 and 54,709.75 is: 82,064.63
Step by Step Solution
- Step 1: Write the proportion equation
186,037.75 : 279,056.64 = 54,709.75 : x - Step 2: Convert to fraction form
186,037.75/279,056.64 = 54,709.75/x - Step 3: Cross multiply
186,037.75x = 279,056.64 × 54,709.75 - Step 4: Simplify right side
186,037.75x = 15,267,119,010.24 - Step 5: Solve for x
x = 15,267,119,010.24/186,037.75 - Step 6: Final answer
x = 82,064.63
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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.