Finding the Fourth Proportional to 239,944.43, 360,138.06 and 121,698.80
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Solution
The fourth proportional to 239,944.43, 360,138.06 and 121,698.80 is: 182,660.50
Step by Step Solution
- Step 1: Write the proportion equation
239,944.43 : 360,138.06 = 121,698.80 : x - Step 2: Convert to fraction form
239,944.43/360,138.06 = 121,698.80/x - Step 3: Cross multiply
239,944.43x = 360,138.06 × 121,698.80 - Step 4: Simplify right side
239,944.43x = 43,828,369,736.33 - Step 5: Solve for x
x = 43,828,369,736.33/239,944.43 - Step 6: Final answer
x = 182,660.50
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1.5x scale
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.