Finding the Fourth Proportional to 198,373.18, 297,465.96 and 76,850.64
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Solution
The fourth proportional to 198,373.18, 297,465.96 and 76,850.64 is: 115,239.62
Step by Step Solution
- Step 1: Write the proportion equation
198,373.18 : 297,465.96 = 76,850.64 : x - Step 2: Convert to fraction form
198,373.18/297,465.96 = 76,850.64/x - Step 3: Cross multiply
198,373.18x = 297,465.96 × 76,850.64 - Step 4: Simplify right side
198,373.18x = 22,860,449,404.21 - Step 5: Solve for x
x = 22,860,449,404.21/198,373.18 - Step 6: Final answer
x = 115,239.62
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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.