Finding the Fourth Proportional to 239,832.59, 330,960.26 and 132,400.31
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Solution
The fourth proportional to 239,832.59, 330,960.26 and 132,400.31 is: 182,707.62
Step by Step Solution
- Step 1: Write the proportion equation
239,832.59 : 330,960.26 = 132,400.31 : x - Step 2: Convert to fraction form
239,832.59/330,960.26 = 132,400.31/x - Step 3: Cross multiply
239,832.59x = 330,960.26 × 132,400.31 - Step 4: Simplify right side
239,832.59x = 43,819,241,021.68 - Step 5: Solve for x
x = 43,819,241,021.68/239,832.59 - Step 6: Final answer
x = 182,707.62
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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.