Finding the Fourth Proportional to 308,519.70, 462,779.55 and 246,311.70
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Solution
The fourth proportional to 308,519.70, 462,779.55 and 246,311.70 is: 369,467.55
Step by Step Solution
- Step 1: Write the proportion equation
308,519.70 : 462,779.55 = 246,311.70 : x - Step 2: Convert to fraction form
308,519.70/462,779.55 = 246,311.70/x - Step 3: Cross multiply
308,519.70x = 462,779.55 × 246,311.70 - Step 4: Simplify right side
308,519.70x = 113,988,017,685.74 - Step 5: Solve for x
x = 113,988,017,685.74/308,519.70 - Step 6: Final answer
x = 369,467.55
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1.5x scale
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.