Finding the Fourth Proportional to 193,372.20, 290,058.30 and 190,747.80
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Solution
The fourth proportional to 193,372.20, 290,058.30 and 190,747.80 is: 286,121.70
Step by Step Solution
- Step 1: Write the proportion equation
193,372.20 : 290,058.30 = 190,747.80 : x - Step 2: Convert to fraction form
193,372.20/290,058.30 = 190,747.80/x - Step 3: Cross multiply
193,372.20x = 290,058.30 × 190,747.80 - Step 4: Simplify right side
193,372.20x = 55,327,982,596.74 - Step 5: Solve for x
x = 55,327,982,596.74/193,372.20 - Step 6: Final answer
x = 286,121.70
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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.