Finding the Fourth Proportional to 311,033.84, 466,272.92 and 121,450.10
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Solution
The fourth proportional to 311,033.84, 466,272.92 and 121,450.10 is: 182,066.66
Step by Step Solution
- Step 1: Write the proportion equation
311,033.84 : 466,272.92 = 121,450.10 : x - Step 2: Convert to fraction form
311,033.84/466,272.92 = 121,450.10/x - Step 3: Cross multiply
311,033.84x = 466,272.92 × 121,450.10 - Step 4: Simplify right side
311,033.84x = 56,628,890,126.30 - Step 5: Solve for x
x = 56,628,890,126.30/311,033.84 - Step 6: Final answer
x = 182,066.66
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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.