Finding the Fourth Proportional to 239,790.70, 330,911.22 and 132,360.79
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Solution
The fourth proportional to 239,790.70, 330,911.22 and 132,360.79 is: 182,657.92
Step by Step Solution
- Step 1: Write the proportion equation
239,790.70 : 330,911.22 = 132,360.79 : x - Step 2: Convert to fraction form
239,790.70/330,911.22 = 132,360.79/x - Step 3: Cross multiply
239,790.70x = 330,911.22 × 132,360.79 - Step 4: Simplify right side
239,790.70x = 43,799,670,499.06 - Step 5: Solve for x
x = 43,799,670,499.06/239,790.70 - Step 6: Final answer
x = 182,657.92
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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.