Finding the Fourth Proportional to 383,047.75, 574,571.63 and 120,391.75
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Solution
The fourth proportional to 383,047.75, 574,571.63 and 120,391.75 is: 180,587.63
Step by Step Solution
- Step 1: Write the proportion equation
383,047.75 : 574,571.63 = 120,391.75 : x - Step 2: Convert to fraction form
383,047.75/574,571.63 = 120,391.75/x - Step 3: Cross multiply
383,047.75x = 574,571.63 × 120,391.75 - Step 4: Simplify right side
383,047.75x = 69,173,684,036.05 - Step 5: Solve for x
x = 69,173,684,036.05/383,047.75 - Step 6: Final answer
x = 180,587.63
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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.