Finding the Fourth Proportional to 326,782.08, 490,238.73 and 149,241.42
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Solution
The fourth proportional to 326,782.08, 490,238.73 and 149,241.42 is: 223,892.09
Step by Step Solution
- Step 1: Write the proportion equation
326,782.08 : 490,238.73 = 149,241.42 : x - Step 2: Convert to fraction form
326,782.08/490,238.73 = 149,241.42/x - Step 3: Cross multiply
326,782.08x = 490,238.73 × 149,241.42 - Step 4: Simplify right side
326,782.08x = 73,163,924,204.20 - Step 5: Solve for x
x = 73,163,924,204.20/326,782.08 - Step 6: Final answer
x = 223,892.09
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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.