Finding the Fourth Proportional to 198,119.84, 297,253.74 and 79,824.74
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Solution
The fourth proportional to 198,119.84, 297,253.74 and 79,824.74 is: 119,766.92
Step by Step Solution
- Step 1: Write the proportion equation
198,119.84 : 297,253.74 = 79,824.74 : x - Step 2: Convert to fraction form
198,119.84/297,253.74 = 79,824.74/x - Step 3: Cross multiply
198,119.84x = 297,253.74 × 79,824.74 - Step 4: Simplify right side
198,119.84x = 23,728,202,509.53 - Step 5: Solve for x
x = 23,728,202,509.53/198,119.84 - Step 6: Final answer
x = 119,766.92
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1.5x scale
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.