Finding the Fourth Proportional to 199,450.76, 299,176.13 and 120,398.00
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Solution
The fourth proportional to 199,450.76, 299,176.13 and 120,398.00 is: 180,596.99
Step by Step Solution
- Step 1: Write the proportion equation
199,450.76 : 299,176.13 = 120,398.00 : x - Step 2: Convert to fraction form
199,450.76/299,176.13 = 120,398.00/x - Step 3: Cross multiply
199,450.76x = 299,176.13 × 120,398.00 - Step 4: Simplify right side
199,450.76x = 36,020,206,504.85 - Step 5: Solve for x
x = 36,020,206,504.85/199,450.76 - Step 6: Final answer
x = 180,596.99
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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.