Finding the Fourth Proportional to 268,234.20, 401,768.10 and 162,869.40
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Solution
The fourth proportional to 268,234.20, 401,768.10 and 162,869.40 is: 243,949.99
Step by Step Solution
- Step 1: Write the proportion equation
268,234.20 : 401,768.10 = 162,869.40 : x - Step 2: Convert to fraction form
268,234.20/401,768.10 = 162,869.40/x - Step 3: Cross multiply
268,234.20x = 401,768.10 × 162,869.40 - Step 4: Simplify right side
268,234.20x = 65,435,729,386.14 - Step 5: Solve for x
x = 65,435,729,386.14/268,234.20 - Step 6: Final answer
x = 243,949.99
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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.