Finding the Fourth Proportional to 489,190.20, 733,420.80 and 252,702.60
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Solution
The fourth proportional to 489,190.20, 733,420.80 and 252,702.60 is: 378,865.61
Step by Step Solution
- Step 1: Write the proportion equation
489,190.20 : 733,420.80 = 252,702.60 : x - Step 2: Convert to fraction form
489,190.20/733,420.80 = 252,702.60/x - Step 3: Cross multiply
489,190.20x = 733,420.80 × 252,702.60 - Step 4: Simplify right side
489,190.20x = 185,337,343,054.08 - Step 5: Solve for x
x = 185,337,343,054.08/489,190.20 - Step 6: Final answer
x = 378,865.61
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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.