Finding the Fourth Proportional to 412,241.53, 617,556.98 and 284,135.05
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Solution
The fourth proportional to 412,241.53, 617,556.98 and 284,135.05 is: 425,647.51
Step by Step Solution
- Step 1: Write the proportion equation
412,241.53 : 617,556.98 = 284,135.05 : x - Step 2: Convert to fraction form
412,241.53/617,556.98 = 284,135.05/x - Step 3: Cross multiply
412,241.53x = 617,556.98 × 284,135.05 - Step 4: Simplify right side
412,241.53x = 175,469,581,969.47 - Step 5: Solve for x
x = 175,469,581,969.47/412,241.53 - Step 6: Final answer
x = 425,647.51
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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.