Finding the Fourth Proportional to 239,996.23, 331,188.44 and 132,563.95
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Solution
The fourth proportional to 239,996.23, 331,188.44 and 132,563.95 is: 182,934.74
Step by Step Solution
- Step 1: Write the proportion equation
239,996.23 : 331,188.44 = 132,563.95 : x - Step 2: Convert to fraction form
239,996.23/331,188.44 = 132,563.95/x - Step 3: Cross multiply
239,996.23x = 331,188.44 × 132,563.95 - Step 4: Simplify right side
239,996.23x = 43,903,647,800.74 - Step 5: Solve for x
x = 43,903,647,800.74/239,996.23 - Step 6: Final answer
x = 182,934.74
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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.