Finding the Fourth Proportional to 239,769.48, 330,867.72 and 132,336.75
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Solution
The fourth proportional to 239,769.48, 330,867.72 and 132,336.75 is: 182,616.90
Step by Step Solution
- Step 1: Write the proportion equation
239,769.48 : 330,867.72 = 132,336.75 : x - Step 2: Convert to fraction form
239,769.48/330,867.72 = 132,336.75/x - Step 3: Cross multiply
239,769.48x = 330,867.72 × 132,336.75 - Step 4: Simplify right side
239,769.48x = 43,785,958,744.71 - Step 5: Solve for x
x = 43,785,958,744.71/239,769.48 - Step 6: Final answer
x = 182,616.90
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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.