Finding the Fourth Proportional to 636,026.40, 953,446.68 and 215,007.84
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Solution
The fourth proportional to 636,026.40, 953,446.68 and 215,007.84 is: 322,311.32
Step by Step Solution
- Step 1: Write the proportion equation
636,026.40 : 953,446.68 = 215,007.84 : x - Step 2: Convert to fraction form
636,026.40/953,446.68 = 215,007.84/x - Step 3: Cross multiply
636,026.40x = 953,446.68 × 215,007.84 - Step 4: Simplify right side
636,026.40x = 204,998,511,221.97 - Step 5: Solve for x
x = 204,998,511,221.97/636,026.40 - Step 6: Final answer
x = 322,311.32
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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.