Finding the Fourth Proportional to 239,838.76, 330,977.91 and 132,408.97
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Solution
The fourth proportional to 239,838.76, 330,977.91 and 132,408.97 is: 182,724.60
Step by Step Solution
- Step 1: Write the proportion equation
239,838.76 : 330,977.91 = 132,408.97 : x - Step 2: Convert to fraction form
239,838.76/330,977.91 = 132,408.97/x - Step 3: Cross multiply
239,838.76x = 330,977.91 × 132,408.97 - Step 4: Simplify right side
239,838.76x = 43,824,442,500.96 - Step 5: Solve for x
x = 43,824,442,500.96/239,838.76 - Step 6: Final answer
x = 182,724.60
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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.