Finding the Fourth Proportional to 198,176.58, 297,193.14 and 84,331.98
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Solution
The fourth proportional to 198,176.58, 297,193.14 and 84,331.98 is: 126,467.45
Step by Step Solution
- Step 1: Write the proportion equation
198,176.58 : 297,193.14 = 84,331.98 : x - Step 2: Convert to fraction form
198,176.58/297,193.14 = 84,331.98/x - Step 3: Cross multiply
198,176.58x = 297,193.14 × 84,331.98 - Step 4: Simplify right side
198,176.58x = 25,062,885,938.62 - Step 5: Solve for x
x = 25,062,885,938.62/198,176.58 - Step 6: Final answer
x = 126,467.45
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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.