Finding the Fourth Proportional to 239,672.61, 330,749.97 and 132,246.63
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Solution
The fourth proportional to 239,672.61, 330,749.97 and 132,246.63 is: 182,501.33
Step by Step Solution
- Step 1: Write the proportion equation
239,672.61 : 330,749.97 = 132,246.63 : x - Step 2: Convert to fraction form
239,672.61/330,749.97 = 132,246.63/x - Step 3: Cross multiply
239,672.61x = 330,749.97 × 132,246.63 - Step 4: Simplify right side
239,672.61x = 43,740,568,905.10 - Step 5: Solve for x
x = 43,740,568,905.10/239,672.61 - Step 6: Final answer
x = 182,501.33
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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.