Finding the Fourth Proportional to 848,336.97, 1,272,235.73 and 279,612.08
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Solution
The fourth proportional to 848,336.97, 1,272,235.73 and 279,612.08 is: 419,329.21
Step by Step Solution
- Step 1: Write the proportion equation
848,336.97 : 1,272,235.73 = 279,612.08 : x - Step 2: Convert to fraction form
848,336.97/1,272,235.73 = 279,612.08/x - Step 3: Cross multiply
848,336.97x = 1,272,235.73 × 279,612.08 - Step 4: Simplify right side
848,336.97x = 355,732,470,956.38 - Step 5: Solve for x
x = 355,732,470,956.38/848,336.97 - Step 6: Final answer
x = 419,329.21
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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.