Finding the Fourth Proportional to 186,441.24, 257,279.79 and 105,867.05
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Solution
The fourth proportional to 186,441.24, 257,279.79 and 105,867.05 is: 146,091.34
Step by Step Solution
- Step 1: Write the proportion equation
186,441.24 : 257,279.79 = 105,867.05 : x - Step 2: Convert to fraction form
186,441.24/257,279.79 = 105,867.05/x - Step 3: Cross multiply
186,441.24x = 257,279.79 × 105,867.05 - Step 4: Simplify right side
186,441.24x = 27,237,451,105.52 - Step 5: Solve for x
x = 27,237,451,105.52/186,441.24 - Step 6: Final answer
x = 146,091.34
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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.