Finding the Fourth Proportional to 138,469.30, 207,687.48 and 44,974.96
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Solution
The fourth proportional to 138,469.30, 207,687.48 and 44,974.96 is: 67,457.09
Step by Step Solution
- Step 1: Write the proportion equation
138,469.30 : 207,687.48 = 44,974.96 : x - Step 2: Convert to fraction form
138,469.30/207,687.48 = 44,974.96/x - Step 3: Cross multiply
138,469.30x = 207,687.48 × 44,974.96 - Step 4: Simplify right side
138,469.30x = 9,340,736,105.50 - Step 5: Solve for x
x = 9,340,736,105.50/138,469.30 - Step 6: Final answer
x = 67,457.09
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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.