Finding the Fourth Proportional to 198,188.99, 297,272.87 and 70,096.40
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Solution
The fourth proportional to 198,188.99, 297,272.87 and 70,096.40 is: 105,140.85
Step by Step Solution
- Step 1: Write the proportion equation
198,188.99 : 297,272.87 = 70,096.40 : x - Step 2: Convert to fraction form
198,188.99/297,272.87 = 70,096.40/x - Step 3: Cross multiply
198,188.99x = 297,272.87 × 70,096.40 - Step 4: Simplify right side
198,188.99x = 20,837,758,660.23 - Step 5: Solve for x
x = 20,837,758,660.23/198,188.99 - Step 6: Final answer
x = 105,140.85
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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.