Finding the Fourth Proportional to 186,660.28, 279,991.50 and 46,418.92
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Solution
The fourth proportional to 186,660.28, 279,991.50 and 46,418.92 is: 69,628.65
Step by Step Solution
- Step 1: Write the proportion equation
186,660.28 : 279,991.50 = 46,418.92 : x - Step 2: Convert to fraction form
186,660.28/279,991.50 = 46,418.92/x - Step 3: Cross multiply
186,660.28x = 279,991.50 × 46,418.92 - Step 4: Simplify right side
186,660.28x = 12,996,903,039.18 - Step 5: Solve for x
x = 12,996,903,039.18/186,660.28 - Step 6: Final answer
x = 69,628.65
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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.