Finding the Fourth Proportional to 199,048.88, 298,362.99 and 135,711.99
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Solution
The fourth proportional to 199,048.88, 298,362.99 and 135,711.99 is: 203,424.59
Step by Step Solution
- Step 1: Write the proportion equation
199,048.88 : 298,362.99 = 135,711.99 : x - Step 2: Convert to fraction form
199,048.88/298,362.99 = 135,711.99/x - Step 3: Cross multiply
199,048.88x = 298,362.99 × 135,711.99 - Step 4: Simplify right side
199,048.88x = 40,491,436,882.89 - Step 5: Solve for x
x = 40,491,436,882.89/199,048.88 - Step 6: Final answer
x = 203,424.59
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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.