Finding the Fourth Proportional to 378,068.05, 566,511.47 and 321,676.26
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Solution
The fourth proportional to 378,068.05, 566,511.47 and 321,676.26 is: 482,011.88
Step by Step Solution
- Step 1: Write the proportion equation
378,068.05 : 566,511.47 = 321,676.26 : x - Step 2: Convert to fraction form
378,068.05/566,511.47 = 321,676.26/x - Step 3: Cross multiply
378,068.05x = 566,511.47 × 321,676.26 - Step 4: Simplify right side
378,068.05x = 182,233,290,916.70 - Step 5: Solve for x
x = 182,233,290,916.70/378,068.05 - Step 6: Final answer
x = 482,011.88
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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.