Finding the Fourth Proportional to 68,278.84, 102,418.26 and 44,899.81
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Solution
The fourth proportional to 68,278.84, 102,418.26 and 44,899.81 is: 67,349.72
Step by Step Solution
- Step 1: Write the proportion equation
68,278.84 : 102,418.26 = 44,899.81 : x - Step 2: Convert to fraction form
68,278.84/102,418.26 = 44,899.81/x - Step 3: Cross multiply
68,278.84x = 102,418.26 × 44,899.81 - Step 4: Simplify right side
68,278.84x = 4,598,560,414.53 - Step 5: Solve for x
x = 4,598,560,414.53/68,278.84 - Step 6: Final answer
x = 67,349.72
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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.