Finding the Fourth Proportional to 323,793.70, 485,690.55 and 102,177.70
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Solution
The fourth proportional to 323,793.70, 485,690.55 and 102,177.70 is: 153,266.55
Step by Step Solution
- Step 1: Write the proportion equation
323,793.70 : 485,690.55 = 102,177.70 : x - Step 2: Convert to fraction form
323,793.70/485,690.55 = 102,177.70/x - Step 3: Cross multiply
323,793.70x = 485,690.55 × 102,177.70 - Step 4: Simplify right side
323,793.70x = 49,626,743,310.74 - Step 5: Solve for x
x = 49,626,743,310.74/323,793.70 - Step 6: Final answer
x = 153,266.55
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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.