Finding the Fourth Proportional to 339,754.05, 509,629.05 and 87,034.05
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Solution
The fourth proportional to 339,754.05, 509,629.05 and 87,034.05 is: 130,550.56
Step by Step Solution
- Step 1: Write the proportion equation
339,754.05 : 509,629.05 = 87,034.05 : x - Step 2: Convert to fraction form
339,754.05/509,629.05 = 87,034.05/x - Step 3: Cross multiply
339,754.05x = 509,629.05 × 87,034.05 - Step 4: Simplify right side
339,754.05x = 44,355,080,219.15 - Step 5: Solve for x
x = 44,355,080,219.15/339,754.05 - Step 6: Final answer
x = 130,550.56
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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.