Finding the Fourth Proportional to 320,839.41, 481,237.34 and 110,624.97
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Solution
The fourth proportional to 320,839.41, 481,237.34 and 110,624.97 is: 165,929.95
Step by Step Solution
- Step 1: Write the proportion equation
320,839.41 : 481,237.34 = 110,624.97 : x - Step 2: Convert to fraction form
320,839.41/481,237.34 = 110,624.97/x - Step 3: Cross multiply
320,839.41x = 481,237.34 × 110,624.97 - Step 4: Simplify right side
320,839.41x = 53,236,865,747.26 - Step 5: Solve for x
x = 53,236,865,747.26/320,839.41 - Step 6: Final answer
x = 165,929.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.