Finding the Fourth Proportional to 382,284.05, 527,563.46 and 210,193.11
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Solution
The fourth proportional to 382,284.05, 527,563.46 and 210,193.11 is: 290,072.80
Step by Step Solution
- Step 1: Write the proportion equation
382,284.05 : 527,563.46 = 210,193.11 : x - Step 2: Convert to fraction form
382,284.05/527,563.46 = 210,193.11/x - Step 3: Cross multiply
382,284.05x = 527,563.46 × 210,193.11 - Step 4: Simplify right side
382,284.05x = 110,890,204,905.24 - Step 5: Solve for x
x = 110,890,204,905.24/382,284.05 - Step 6: Final answer
x = 290,072.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.