Finding the Fourth Proportional to 331,240.97, 496,791.80 and 106,621.49
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Solution
The fourth proportional to 331,240.97, 496,791.80 and 106,621.49 is: 159,909.81
Step by Step Solution
- Step 1: Write the proportion equation
331,240.97 : 496,791.80 = 106,621.49 : x - Step 2: Convert to fraction form
331,240.97/496,791.80 = 106,621.49/x - Step 3: Cross multiply
331,240.97x = 496,791.80 × 106,621.49 - Step 4: Simplify right side
331,240.97x = 52,968,681,402.67 - Step 5: Solve for x
x = 52,968,681,402.67/331,240.97 - Step 6: Final answer
x = 159,909.81
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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.