Finding the Fourth Proportional to 383,289.11, 525,107.96 and 368,923.49
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Solution
The fourth proportional to 383,289.11, 525,107.96 and 368,923.49 is: 505,426.99
Step by Step Solution
- Step 1: Write the proportion equation
383,289.11 : 525,107.96 = 368,923.49 : x - Step 2: Convert to fraction form
383,289.11/525,107.96 = 368,923.49/x - Step 3: Cross multiply
383,289.11x = 525,107.96 × 368,923.49 - Step 4: Simplify right side
383,289.11x = 193,724,656,759.82 - Step 5: Solve for x
x = 193,724,656,759.82/383,289.11 - Step 6: Final answer
x = 505,426.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.