Finding the Fourth Proportional to 339,042.87, 508,564.29 and 264,218.99
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Solution
The fourth proportional to 339,042.87, 508,564.29 and 264,218.99 is: 396,328.47
Step by Step Solution
- Step 1: Write the proportion equation
339,042.87 : 508,564.29 = 264,218.99 : x - Step 2: Convert to fraction form
339,042.87/508,564.29 = 264,218.99/x - Step 3: Cross multiply
339,042.87x = 508,564.29 × 264,218.99 - Step 4: Simplify right side
339,042.87x = 134,372,340,511.05 - Step 5: Solve for x
x = 134,372,340,511.05/339,042.87 - Step 6: Final answer
x = 396,328.47
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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.