Finding the Fourth Proportional to 239,787.05, 330,906.16 and 132,357.11
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Solution
The fourth proportional to 239,787.05, 330,906.16 and 132,357.11 is: 182,652.82
Step by Step Solution
- Step 1: Write the proportion equation
239,787.05 : 330,906.16 = 132,357.11 : x - Step 2: Convert to fraction form
239,787.05/330,906.16 = 132,357.11/x - Step 3: Cross multiply
239,787.05x = 330,906.16 × 132,357.11 - Step 4: Simplify right side
239,787.05x = 43,797,782,274.24 - Step 5: Solve for x
x = 43,797,782,274.24/239,787.05 - Step 6: Final answer
x = 182,652.82
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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.