Finding the Fourth Proportional to 239,765.68, 330,879.39 and 132,335.80
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Solution
The fourth proportional to 239,765.68, 330,879.39 and 132,335.80 is: 182,624.92
Step by Step Solution
- Step 1: Write the proportion equation
239,765.68 : 330,879.39 = 132,335.80 : x - Step 2: Convert to fraction form
239,765.68/330,879.39 = 132,335.80/x - Step 3: Cross multiply
239,765.68x = 330,879.39 × 132,335.80 - Step 4: Simplify right side
239,765.68x = 43,787,188,779.16 - Step 5: Solve for x
x = 43,787,188,779.16/239,765.68 - Step 6: Final answer
x = 182,624.92
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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.