Finding the Fourth Proportional to 494,766.20, 742,149.30 and 295,311.80
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Solution
The fourth proportional to 494,766.20, 742,149.30 and 295,311.80 is: 442,967.70
Step by Step Solution
- Step 1: Write the proportion equation
494,766.20 : 742,149.30 = 295,311.80 : x - Step 2: Convert to fraction form
494,766.20/742,149.30 = 295,311.80/x - Step 3: Cross multiply
494,766.20x = 742,149.30 × 295,311.80 - Step 4: Simplify right side
494,766.20x = 219,165,445,651.74 - Step 5: Solve for x
x = 219,165,445,651.74/494,766.20 - Step 6: Final answer
x = 442,967.70
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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.