Finding the Fourth Proportional to 339,414.96, 509,147.94 and 102,776.70
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Solution
The fourth proportional to 339,414.96, 509,147.94 and 102,776.70 is: 154,172.77
Step by Step Solution
- Step 1: Write the proportion equation
339,414.96 : 509,147.94 = 102,776.70 : x - Step 2: Convert to fraction form
339,414.96/509,147.94 = 102,776.70/x - Step 3: Cross multiply
339,414.96x = 509,147.94 × 102,776.70 - Step 4: Simplify right side
339,414.96x = 52,328,545,085.00 - Step 5: Solve for x
x = 52,328,545,085.00/339,414.96 - Step 6: Final answer
x = 154,172.77
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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.