Finding the Fourth Proportional to 383,190.70, 528,763.43 and 235,992.26
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Solution
The fourth proportional to 383,190.70, 528,763.43 and 235,992.26 is: 325,644.85
Step by Step Solution
- Step 1: Write the proportion equation
383,190.70 : 528,763.43 = 235,992.26 : x - Step 2: Convert to fraction form
383,190.70/528,763.43 = 235,992.26/x - Step 3: Cross multiply
383,190.70x = 528,763.43 × 235,992.26 - Step 4: Simplify right side
383,190.70x = 124,784,076,851.05 - Step 5: Solve for x
x = 124,784,076,851.05/383,190.70 - Step 6: Final answer
x = 325,644.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.