Finding the Fourth Proportional to 276,165.84, 414,201.68 and 76,439.43
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Solution
The fourth proportional to 276,165.84, 414,201.68 and 76,439.43 is: 114,646.11
Step by Step Solution
- Step 1: Write the proportion equation
276,165.84 : 414,201.68 = 76,439.43 : x - Step 2: Convert to fraction form
276,165.84/414,201.68 = 76,439.43/x - Step 3: Cross multiply
276,165.84x = 414,201.68 × 76,439.43 - Step 4: Simplify right side
276,165.84x = 31,661,339,942.05 - Step 5: Solve for x
x = 31,661,339,942.05/276,165.84 - Step 6: Final answer
x = 114,646.11
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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.