Finding the Fourth Proportional to 186,682.75, 257,612.05 and 106,099.09
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Solution
The fourth proportional to 186,682.75, 257,612.05 and 106,099.09 is: 146,410.98
Step by Step Solution
- Step 1: Write the proportion equation
186,682.75 : 257,612.05 = 106,099.09 : x - Step 2: Convert to fraction form
186,682.75/257,612.05 = 106,099.09/x - Step 3: Cross multiply
186,682.75x = 257,612.05 × 106,099.09 - Step 4: Simplify right side
186,682.75x = 27,332,404,078.03 - Step 5: Solve for x
x = 27,332,404,078.03/186,682.75 - Step 6: Final answer
x = 146,410.98
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1.5x scale
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.