Finding the Fourth Proportional to 199,438.68, 298,990.24 and 92,768.44
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Solution
The fourth proportional to 199,438.68, 298,990.24 and 92,768.44 is: 139,074.62
Step by Step Solution
- Step 1: Write the proportion equation
199,438.68 : 298,990.24 = 92,768.44 : x - Step 2: Convert to fraction form
199,438.68/298,990.24 = 92,768.44/x - Step 3: Cross multiply
199,438.68x = 298,990.24 × 92,768.44 - Step 4: Simplify right side
199,438.68x = 27,736,858,140.03 - Step 5: Solve for x
x = 27,736,858,140.03/199,438.68 - Step 6: Final answer
x = 139,074.62
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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.