Finding the Fourth Proportional to 330,818.21, 496,291.94 and 106,161.37
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Solution
The fourth proportional to 330,818.21, 496,291.94 and 106,161.37 is: 159,262.79
Step by Step Solution
- Step 1: Write the proportion equation
330,818.21 : 496,291.94 = 106,161.37 : x - Step 2: Convert to fraction form
330,818.21/496,291.94 = 106,161.37/x - Step 3: Cross multiply
330,818.21x = 496,291.94 × 106,161.37 - Step 4: Simplify right side
330,818.21x = 52,687,032,692.08 - Step 5: Solve for x
x = 52,687,032,692.08/330,818.21 - Step 6: Final answer
x = 159,262.79
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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.