Finding the Fourth Proportional to 331,226.74, 496,953.51 and 141,608.98
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Solution
The fourth proportional to 331,226.74, 496,953.51 and 141,608.98 is: 212,461.95
Step by Step Solution
- Step 1: Write the proportion equation
331,226.74 : 496,953.51 = 141,608.98 : x - Step 2: Convert to fraction form
331,226.74/496,953.51 = 141,608.98/x - Step 3: Cross multiply
331,226.74x = 496,953.51 × 141,608.98 - Step 4: Simplify right side
331,226.74x = 70,373,079,658.52 - Step 5: Solve for x
x = 70,373,079,658.52/331,226.74 - Step 6: Final answer
x = 212,461.95
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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.