Finding the Fourth Proportional to 848,790.52, 1,273,186.13 and 209,106.70
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Solution
The fourth proportional to 848,790.52, 1,273,186.13 and 209,106.70 is: 313,660.14
Step by Step Solution
- Step 1: Write the proportion equation
848,790.52 : 1,273,186.13 = 209,106.70 : x - Step 2: Convert to fraction form
848,790.52/1,273,186.13 = 209,106.70/x - Step 3: Cross multiply
848,790.52x = 1,273,186.13 × 209,106.70 - Step 4: Simplify right side
848,790.52x = 266,231,753,651.36 - Step 5: Solve for x
x = 266,231,753,651.36/848,790.52 - Step 6: Final answer
x = 313,660.14
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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.