Finding the Fourth Proportional to 239,794.40, 330,916.21 and 132,364.40
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Solution
The fourth proportional to 239,794.40, 330,916.21 and 132,364.40 is: 182,662.84
Step by Step Solution
- Step 1: Write the proportion equation
239,794.40 : 330,916.21 = 132,364.40 : x - Step 2: Convert to fraction form
239,794.40/330,916.21 = 132,364.40/x - Step 3: Cross multiply
239,794.40x = 330,916.21 × 132,364.40 - Step 4: Simplify right side
239,794.40x = 43,801,525,586.92 - Step 5: Solve for x
x = 43,801,525,586.92/239,794.40 - Step 6: Final answer
x = 182,662.84
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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.