Finding the Fourth Proportional to 339,757.26, 509,638.98 and 103,099.95
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Solution
The fourth proportional to 339,757.26, 509,638.98 and 103,099.95 is: 154,650.86
Step by Step Solution
- Step 1: Write the proportion equation
339,757.26 : 509,638.98 = 103,099.95 : x - Step 2: Convert to fraction form
339,757.26/509,638.98 = 103,099.95/x - Step 3: Cross multiply
339,757.26x = 509,638.98 × 103,099.95 - Step 4: Simplify right side
339,757.26x = 52,543,753,356.05 - Step 5: Solve for x
x = 52,543,753,356.05/339,757.26 - Step 6: Final answer
x = 154,650.86
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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.