Finding the Fourth Proportional to 381,791.22, 527,135.50 and 238,615.62
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Solution
The fourth proportional to 381,791.22, 527,135.50 and 238,615.62 is: 329,454.31
Step by Step Solution
- Step 1: Write the proportion equation
381,791.22 : 527,135.50 = 238,615.62 : x - Step 2: Convert to fraction form
381,791.22/527,135.50 = 238,615.62/x - Step 3: Cross multiply
381,791.22x = 527,135.50 × 238,615.62 - Step 4: Simplify right side
381,791.22x = 125,782,764,156.51 - Step 5: Solve for x
x = 125,782,764,156.51/381,791.22 - Step 6: Final answer
x = 329,454.31
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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.