Finding the Fourth Proportional to 664,108.90, 996,163.35 and 264,811.30
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Solution
The fourth proportional to 664,108.90, 996,163.35 and 264,811.30 is: 397,216.95
Step by Step Solution
- Step 1: Write the proportion equation
664,108.90 : 996,163.35 = 264,811.30 : x - Step 2: Convert to fraction form
664,108.90/996,163.35 = 264,811.30/x - Step 3: Cross multiply
664,108.90x = 996,163.35 × 264,811.30 - Step 4: Simplify right side
664,108.90x = 263,795,311,725.86 - Step 5: Solve for x
x = 263,795,311,725.86/664,108.90 - Step 6: Final answer
x = 397,216.95
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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.