Finding the Fourth Proportional to 193,468.20, 290,202.30 and 53,226.60
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Solution
The fourth proportional to 193,468.20, 290,202.30 and 53,226.60 is: 79,839.90
Step by Step Solution
- Step 1: Write the proportion equation
193,468.20 : 290,202.30 = 53,226.60 : x - Step 2: Convert to fraction form
193,468.20/290,202.30 = 53,226.60/x - Step 3: Cross multiply
193,468.20x = 290,202.30 × 53,226.60 - Step 4: Simplify right side
193,468.20x = 15,446,481,741.18 - Step 5: Solve for x
x = 15,446,481,741.18/193,468.20 - Step 6: Final answer
x = 79,839.90
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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.