Finding the Fourth Proportional to 354,793.80, 532,190.70 and 319,801.80
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Solution
The fourth proportional to 354,793.80, 532,190.70 and 319,801.80 is: 479,702.70
Step by Step Solution
- Step 1: Write the proportion equation
354,793.80 : 532,190.70 = 319,801.80 : x - Step 2: Convert to fraction form
354,793.80/532,190.70 = 319,801.80/x - Step 3: Cross multiply
354,793.80x = 532,190.70 × 319,801.80 - Step 4: Simplify right side
354,793.80x = 170,195,543,803.26 - Step 5: Solve for x
x = 170,195,543,803.26/354,793.80 - Step 6: Final answer
x = 479,702.70
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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.