Finding the Fourth Proportional to 198,181.84, 297,418.56 and 131,599.84
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Solution
The fourth proportional to 198,181.84, 297,418.56 and 131,599.84 is: 197,496.58
Step by Step Solution
- Step 1: Write the proportion equation
198,181.84 : 297,418.56 = 131,599.84 : x - Step 2: Convert to fraction form
198,181.84/297,418.56 = 131,599.84/x - Step 3: Cross multiply
198,181.84x = 297,418.56 × 131,599.84 - Step 4: Simplify right side
198,181.84x = 39,140,234,909.03 - Step 5: Solve for x
x = 39,140,234,909.03/198,181.84 - Step 6: Final answer
x = 197,496.58
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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.