Finding the Fourth Proportional to 636,930.28, 955,186.14 and 281,936.68
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Solution
The fourth proportional to 636,930.28, 955,186.14 and 281,936.68 is: 422,812.38
Step by Step Solution
- Step 1: Write the proportion equation
636,930.28 : 955,186.14 = 281,936.68 : x - Step 2: Convert to fraction form
636,930.28/955,186.14 = 281,936.68/x - Step 3: Cross multiply
636,930.28x = 955,186.14 × 281,936.68 - Step 4: Simplify right side
636,930.28x = 269,302,009,093.62 - Step 5: Solve for x
x = 269,302,009,093.62/636,930.28 - Step 6: Final answer
x = 422,812.38
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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.