Finding the Fourth Proportional to 99,683.39, 149,504.69 and 28,586.99
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Solution
The fourth proportional to 99,683.39, 149,504.69 and 28,586.99 is: 42,874.64
Step by Step Solution
- Step 1: Write the proportion equation
99,683.39 : 149,504.69 = 28,586.99 : x - Step 2: Convert to fraction form
99,683.39/149,504.69 = 28,586.99/x - Step 3: Cross multiply
99,683.39x = 149,504.69 × 28,586.99 - Step 4: Simplify right side
99,683.39x = 4,273,889,523.21 - Step 5: Solve for x
x = 4,273,889,523.21/99,683.39 - Step 6: Final answer
x = 42,874.64
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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.