Finding the Fourth Proportional to 320,788.44, 442,672.26 and 182,972.82
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Solution
The fourth proportional to 320,788.44, 442,672.26 and 182,972.82 is: 252,493.49
Step by Step Solution
- Step 1: Write the proportion equation
320,788.44 : 442,672.26 = 182,972.82 : x - Step 2: Convert to fraction form
320,788.44/442,672.26 = 182,972.82/x - Step 3: Cross multiply
320,788.44x = 442,672.26 × 182,972.82 - Step 4: Simplify right side
320,788.44x = 80,996,991,747.97 - Step 5: Solve for x
x = 80,996,991,747.97/320,788.44 - Step 6: Final answer
x = 252,493.49
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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.